Name) <>. 语句。我们仅仅让代码在条件为 true 时（当 i=10 时）执行一项操作。. リファクタリングとパフォーマンスの影響. 32 terms. 最简单的方法是提到其他类型语言（如Visual Basic）具有可以作用于布尔和整数表达式的逻辑运算符。. NET SDK; Get Started Create a . Si la primera condición es verdadera, trunca la evaluación y de inmediato ejecuta el código que se especifico para cuando el resultado sea verdadero. ; You will use If…Then statement, if you want to execute some code when a specific condition is true. If (boolean_expression)Then 'statement (s) will execute if the Boolean expression is true Else 'statement (s) will execute if the Boolean expression is false End If. Teacher 22 terms. . The DropDownList will be populated from database inside the OnItemDataBound event of the Repeater control. Contribute to michaelgoin/dotnet-docs development by creating an account on GitHub. 基本的にはこの3つを使用して、文字列が. OrElse Operator. そもそも「AndAlso」と「OrElse」は、If文など. If we use not OrElse but Or and gv is null, exception will occur, because of null exception of gv. IsNullOrEmptyメソッド. Ditto AndAlso vs And – Marc Gravell. Since C had no boolean type and treats all non-zero integers as true, the existence of both logical and bitwise operators makes sense there. use OrElse instead of Or (to not evaluate every instance, if the first is a match, it wont evaluate the rest of the expressions as it is not necessary) And you have to do it like this: If aryTextFile (i) = "and" OrElse aryTextFile (i) = "but" OrElse aryTextFile (i) = "or" Then. Add the following objects to your form: 3 Pictureboxes. Contribute to mirsaeedi/docs-1 development by creating an account on GitHub. Unlike the logical operators AndAlso , And , OrElse , Or and Xor , which each combine two conditions (i. NET Documentation. Items. cs files for "bad" words. Contribute to gengle/docs-1 development by creating an account on GitHub. Let's say that FirstMethod and SecondMethod both do some work and send an email notification to someone, then. A variable of a reference type stores a. NET. IsNullOrEmpty(value) OrElse value. , based on our requirements. We use And, Or, AndAlso and OrElse to evaluate conditions. For a long time VB. This may take a bit. The main purpose of creating controls is so they can be reused in other projects. Datentypen. {"payload":{"allShortcutsEnabled":false,"fileTree":{"docs/visual-basic/language-reference/operators":{"items":[{"name":"codesnippet","path":"docs/visual-basic. This repository contains . The second Case statement contains the value that matches the current value of number, so the statement that writes "Between 6 and 8, inclusive" runs. {"payload":{"allShortcutsEnabled":false,"fileTree":{"docs/visual-basic/language-reference/operators/codesnippet/VisualBasic":{"items":[{"name":"addition-assignment. Net is an object-oriented programming language. The are two limitations: You can combine multiple expressions in a Where clause by using logical operators such as And, Or, AndAlso, OrElse, Is, and IsNot. This repository contains . The OrElse operator "performs short-circuiting logical disjunction on two expressions", that is to say: if the left operand is true and so the entire expression is guaranteed to be true the right operand won't even be evaluated (this is useful in cases like: string a; //. AndAlso Operator - Visual Basic / OrElse Operator - Visual Basic I also generally prefer for improved performance to check simple numeric expressions before more costly string expressions and other more time-consuming expressions, if that is possible, and the order of the expressions otherwise doesn't matter. The Logical / Bitwise Operators will always work with Boolean expressions (true or false) and return Boolean values. IsFalse Operator. You have to keep in mind that my objects, both on and off the form, may be named differently than yours. intOrdered < 0 AndAlso. They can learn easily from this application. This repository contains . The following code example shows how to create an expression that represents a logical OR operation that evaluates the second operand only if the first operand evaluates to false. Visual Basic Logical / Bitwise Operators. True. – Eske Rahn. Net - Logical/Bitwise Operators. 'Create a Random object to seed our starting value Dim randomizer As New Random () 'set our variable Dim count As Integer = randomizer. VB Net Regular Expressions - A regular expression is a pattern that could be matched against an input text. OrElse is a short-circuiting operator, Or is not. If you have Aivosto VBA Plug for Project Analyzer, you may use it to export code from Office documents automatically. VB6では Do ～ Loop または While ～ Wend 使用します。. An operator is a code element that performs an operation on one or more code elements that hold values. Contribute to rmunn/dotnet-docs development by creating an account on GitHub. この記事のサンプルでは VB2015以降でのみ使用できるものが多くなっていますが、これは、Do や While の機能が違うわけではなく、サンプル中で利用している補完文字列 ( $" から始まる文字列)がVB2015以上でない. NET what kind of command to perform in an expression. AndAlso/OrElse. 例えば「numの値が2または3の場合」のような条件を指定したい場合は、以下のようにカンマ（,）で区切って指定します。この記事の内容. NET, conjunction (And, AndAlso) operators occur before inclusive disjunction (Or, OrElse) operators. Comparison Operators. Brief info on the code is as follows. IsNullOrEmpty (txt2. Visual Basic converts each operand as necessary to Boolean before evaluating the expression. Some people find it a little easier to read. {"payload":{"allShortcutsEnabled":false,"fileTree":{"docs/visual-basic/language-reference/operators":{"items":[{"name":"codesnippet","path":"docs/visual-basic. Net is as follows −This repository contains . 逻辑运算符会比较 Boolean 表达式并返回 Boolean 结果。And、Or、AndAlso、OrElse 和 Xor 运算符是二元的，因为它们采用两个操作数，而 Not 运算符是一元的，因为它采用单个操作数。 其中一些运算符还可对整数值执行位逻辑运算。 一元逻辑运算符. Text), txtBookTitle. NET guys can use "AND" and "OR" operators. #pragma warning disable IDE0075 // The code that's violating the rule is on this line. from: The difference in semantics can catch a C# programmer dabbling in VB. . ReadLine () Dim weekend AS Boolean = False If day = "Saturday" OrElse day = "Sunday" Then weekened = True. の3つです。. C# || translates to OrElse in VB. La función es la misma que el AndAlso. If the txtName control was the first control added to the group box, its TabIndex value will be ____________. Net framework provides a regular expression engine that allows such matching. NETでIntegerに変換可能かどうかを判定するには、TryParseを使用します。以下の例ではtargetという変数がIntegerに変換可能かどうかを判定しています。Integer. 8 MB; Rational Class. NET. 重载Clearly, orElse() takes any parameter of a type T, whereas orElseGet() accepts a functional interface of type Supplier that returns an object of type T. 例）数学のテストが80点以上で、 さらに 国語のテストが80点以上なら 真 Exp1 OrElse Exp2 AndAlso Exp3. 右式は、左式のみの評価から結果を判断できない場合にのみ評価されます。. Item) Then 'Proceed End If. Sign in with . This repository contains . 大概の プロのプログラマー は、「 AndAlso 」と「 OrElse 」を使っていますので、覚えておいて頂ければと思います。. データ型. You can omit the Get and Set procedure when using an auto-implemented property. home; articles. そのため、VB. Click 'CSVファイルを作成する準備 リストに値を追加 Dim IstWriteText As List(Of String) IstWriteText. Based on their Javadocs : orElse() : returns the value if present, otherwise returns otherThis repository contains . 「And」を「Or」は両. result = s Is Nothing OrElse s = String. So as soon as a. Count <= i OrElse '引数が足りない IsNothing (iBunshi (i)) OrElse 'Nothing. NET, like many other functionalities. Following table shows all the logical operators supported by VB. I know that AndAlso is equivalent to && and OrElse is equivalent to ||. Syntax. The OrElse Operator performs short-circuiting, which means that if expression1 is True, then expression2 is not evaluated. RightShift 9How do i use "orelse" in sql server, "orelse" similar to VB. NET Documentation. Cor. statusId = 1 Or a. ToString = String. VB has two special short circuit operators: AndAlso and OrElse. You might do If ToyInBox ("truck") OrElse ToyInPocket ("truck"), ToyInPocket () is only checked if ToyInBox () is false. Similarly, or, orelse, and andalso could be used in this context. NETでのIf文は以下のように、ある条件の場合だけ実行したい部分をIfとEnd Ifで囲い. The string by itself is not a boolean expression. a1 = false OrElse false ' a1 = false a2 = false OrElse true ' a2 = true a3 = true OrElse false ' a3 = true a4 = true OrElse true ' a4 = true. So, to answer the question: Use Or and And for bit operations (integer or Boolean). ASP. An If operator that is called with three arguments works like an IIf function except that it uses short-circuit evaluation. Windows. This means if the first expression is True the expression returns False and does not evaluated the second expression. Contribute to knocte/dotnet-docs development by creating an account on GitHub. VB. NET Documentation. 数据类型. NET Documentation. Text) Then 'Do something End If. KeyPress If Not Char. The following example uses the Xor operator to perform logical exclusion (exclusive logical disjunction) on two expressions. If either is True then the Result is True. KeyCode = Keys. Note that AndAlso and OrElse are defined only for Boolean, and Visual Basic converts each operand as necessary to Boolean before performing the. brookeshub. is the same as: (Exp1) OrElse (Exp2 AndAlso Exp3) If Exp1 is True then the entire expression is True and nothing else is evaluated. Links below explain or operators for c# and VB. Divides a value or variable. The *= operator first multiplies the value of the expression (on the right-hand side of the operator) by the value of the variable or property (on the left-hand side of the. OrElse 運算子只會針對布林值資料類型進行定義。 Visual Basic 會視需要將每個運算元轉換成 Boolean，再評估運算式。如果您將結果指派給數值類型，則 Visual Basic 會將它從 Boolean 轉換成該類型，使 False 變成 0 以及 True 變成 -1。如需詳細資訊，請參閱布林值類型轉換。Exp1 OrElse Exp2 AndAlso Exp3. Visual Basic converts each operand as necessary to Boolean before evaluating the expression. NET Documentation. A pattern consists of one or more character literals, operators, or constructs. With these operators the evaluation stops as soon as the result is determined. Orにおいて同様のことを行うには、Orの代わりにOrElseを使います。次の例では、「質問1」で「Yes」がクリックされるとすぐに「Yesがクリックされました。」と表示され、「No」がクリックされた時のみ「質問2」が表示されます。For VB >= 9 just use IF just like your example, it will work without this problem. re0921. Chapter 4 Review Questions for Programming with Microsoft Visual Basic 2017 Learn with flashcards, games, and more — for free. vb and mark the class Serializable. Visual Basic converts each operand as necessary to Boolean before evaluating the. Contribute to KarandikarMihir/docs-2 development by creating an account on GitHub. Getting started with Visual Basic . NET 簡易If文の使い方 If文が1行で書ける. ToString() > (lbl · User2019981500 posted Hi, i modified. You can combine multiple expressions in a Where clause by using logical operators such as And, Or, AndAlso, OrElse, Is, and IsNot. ") Case True Call DoWork (testVariable) End Select. The following example uses the Is operator to compare pairs of object references. NET Language Chapter 2: Declaring variables Chapter 3: Introduction to Syntax. Ask Question Asked 7 years, 7 months ago. 1. Module/My Project","contentType. By the definition of the boolean 'or' operator, if the first term is True then the whole is definitely true - so we don't need to evaluate the. Net - OrElse. Contribute to irinascurtu/docs-1 development by creating an account on GitHub. NETでのIf文の基本的な使い方を紹介します。JavaScriptでのif文の使用方法をJavaScript If,else,else if文の基本的な使い方で紹介しましたが、他の言語でのif文とは文法が少し変わるくらいで考え方はほぼ同じです。VB. ' Insert code to be executed. AndAlsoを使用すると、VB. A logical operation is said to be short-circuiting if the compiled code can bypass the evaluation of one expression depending on the result of another expression. Example ' The OrElse operator is the homologous of AndAlso. For more information, see Auto-Implemented Properties. @Koekiebox - no; in VB OrElse is short-circuiting; Or is not short-circuiting. Visual Basic . This can override both the order of precedence and the left associativity. Var* variable types are deprecated in Visual Basic . For more information, see Boolean Type. This set of Visual Basic Multiple Choice Questions & Answers (MCQs) focuses on “Selection Structures – Logical Operators”. Following is the code i. I don't know any equivalent for OrElse, but there is a limited but useful solution for AndAlso. NET Documentation. In VB. The VB language supports many operators. What I am trying to do is modify the expression to take the output from. The benefit for short circuit operators is that they can help application performance by not evaluating the second expression when. NET Documentation. I'm a long time VB/VB. The following example illustrates this. The OrElse expression evaluates the left side of the expression first; if the expression evaluates to True, then further. Now OrElse check that the whole sub-condition before it is true, thus it does not evaluate the third sub-condition. Typy dat. Contribute to gosali/docs-1 development by creating an account on GitHub. You cannot call IsTrue explicitly in your code, but the Visual Basic compiler can use it to generate code from OrElse clauses. public static System. In an If-statement, multiple expressions are short-circuited. Pokud přiřadíte výsledek číselnému typu, jazyk Visual Basic ho převede z Boolean tohoto typu na tento typ tak, že False se stane 0 a True změní na -1. This means if the first expression is True the expression returns False and does not evaluated the second expression. They offer advantages in two general categories: You can avoid executing part of a logical expression to avoid problems. C# and VB. NET Documentation. Where (Function (x As Integer) x < 0) isn’t going to win any prizes when camped against C#’s o. Contribute to quangnx99/dotnet-docs development by creating an account on GitHub. Previous Next. Else statement in VB. 详细了解：OrElse 运算符 (Visual Basic) 数据类型. Logical/Bitwise Operators. NET code will fall through to the else block on a Boolean of False. – Rudey. This repository contains . OrElse in LINQ query expression is not the VB keyword, but the expression representing the logical OR (C# ||, VB OrElse operators) - Expression. 特別な場合を除き、条件判定で And の代わりに AndAlso、Or の代わりに OrElse を使用すること。(理由：副作用の防止、高速化) Dim はメソッド内のみで使用. Text) Or _ String. This repository contains . If lvFabric2. ションでIsNullOrEmptyメソッドに変えればいいじゃないかと思うかもしれませんが、VB6からVB. NET apps. NET Documentation. So, to answer the question: Use Or and And for bit operations (integer or Boolean). {"payload":{"allShortcutsEnabled":false,"fileTree":{"visual-basic/language-reference/operators/codesnippet/VisualBasic":{"items":[{"name":"addition-assignment. Or Operator. This example uses the OrElse operator to perform logical disjunction on two expressions. Expressions. . If you assign the result to a numeric type, Visual Basic converts it from Boolean to that type such that False becomes 0 and True becomes -1 . But will OP understand the difference? "AndAlso" optimized out redundant check, but if condition calls some functions with side effect, such optimization will get this side effect lost, which can be a problem. If first condition is true, second condition is not evaluated. ' The OrElse operator is the homologous of AndAlso. IsNullOrEmpty is more elegant: If String. Visual Basic . And adding parenthesis. NETは、条件の最初の部分（aがValue1以下）がfalseであると判断されると、式が成功しないことを認識します。. SuppressKeyPress = True. The following example illustrates this. Contribute to fiyazbinhasan/docs-1 development by creating an account on GitHub. ブール型の論理演算 否定演算子 論理否定演算子は Not を使用します。. In general, under the . Visual Basic converts each operand as necessary to Boolean before evaluating the expression. An If. AndAlsoとOrElseには、以前のVBバージョンとは一致しなかった方法でコードを拡張するいくつかのプロパティがあります。 これらは、2つの一般的なカテゴリで利点を提供します。Visual Basicの世界でも二項演算子と単項演算子があります。 また、記号ではなくアルファベットや単語で記述する演算子もあります。 計算結果が TrueまたはFalseになるので、条件式として使用できます。The difference in semantics can catch a C# programmer dabbling in VB. If you use OR, then both Expression1 and Expression2 will be evaluated. Contribute to gencer/docs-1 development by creating an account on GitHub. 論理演算子 VB. To change this setting, on the Tools menu, click Options. If you assign the result to a numeric type, Visual Basic converts it from Boolean to that type such that False becomes 0 and True becomes -1 . The first If argument is evaluated and the result is cast as a Boolean value, True or. You might do If ToyInBox ("truck") OrElse ToyInPocket ("truck"), ToyInPocket () is only checked if ToyInBox () is false. Visual Basic では常に、かっこで囲まれた演算がその外側にある演算より前に実行されます。 ただし、かっこで内では、通常の優先順位と結合規則が維持されます (かっこ内でかっこを使用する場合は除く)。. NETでのIf文の基本的な使い方を紹介します。JavaScriptでのif文の使用方法をJavaScript If,else,else if文の基本的な使い方で紹介しましたが、他の言語でのif文とは文法が少し変わるくらいで考え方はほぼ同じです。VB. Expressions. Add a comment | 2 The || operator has exactly the same meaning in Java and C#. But my advice is to use "AndAlso" and "OrElse". Es decir OrElse efectúa un corto circuito en momento de ejecución. the keywords are AndAlso and OrElse. VB. The OrElse operator is defined only for the Boolean Data Type. IsTrue Operator (Visual Basic) Determines whether an expression is True. NET Framework. The string is then compared against the pattern, and if it matches, the result is True. The expression is compared to the list of values, until the first match occurs. The results are assigned to a Boolean value representing whether the two objects are identical. net: If Condition1 AndAlso Condition2 Then DoSomething. This repository contains . Net. Net. Or/And は always 評価 both1 式を実行し、結果を返します。. {"payload":{"allShortcutsEnabled":false,"fileTree":{"docs/visual-basic/language-reference/operators":{"items":[{"name":"addition-assignment-operator. Nov 21, 2012 at 14:22. Which operation is performed. Contribute to anangaur/dotnet-docs development by creating an account on GitHub. This repository contains . OrElse/AndAlso are short-circuiting. If Exp1 is False, then it will evaluate everything to the right of OrElse, starting with Exp2. AddDays(-14). The code takes a bunch of strings and concants them as follows with a if statement in the middle that decides whether to concant or not on one of them. + short circuiting, then use 'AndAlso' or 'OrElse'. This repository contains . . Using inline IF statement vb. Or has higher precedence than OrElse, 4. 2 Labels. vb") _. Visual Basic添加了AndAlso和OrElse作为进行短路评估的方法。 与基础知识不同，其他逻辑运算符仅适用于布尔值。This repository contains . Ask Question Asked 12 years ago. comThis repository contains . Contribute to momoto/msft-dotnet-docs development by creating an account on GitHub. If both the operands are true, then condition becomes true. OrElse (System. Contribute to TimShererWithAquent/dotnet-docs development by creating an account on GitHub. The AndAlso operator is defined only for the Boolean Data Type. Linq. And vs. This repository contains . I am getting up to speed on all things SQL as it is all new for me, and I am still learning the proper structure and syntax. This online conversion tool will convert it to VB for you: If (a = 0 AndAlso b IsNot Nothing) OrElse (a = 1 AndAlso c IsNot Nothing) Then statement End If C# && translates to AndAlso in VB. 代表的なものは、. Assume variable A holds Boolean value True and variable B holds Boolean value False, then −. Если вы. {"payload":{"allShortcutsEnabled":false,"fileTree":{"docs/visual-basic/language-reference/operators":{"items":[{"name":"codesnippet","path":"docs/visual-basic. OrElse 运算符仅适用于布尔数据类型。 计算表达式之前，Visual Basic 根据需要将每个操作数转换为 Boolean。如果将结果分配给数值类型，Visual Basic 会将其从 Boolean 转换为该类型，从而 False 变为 0，True 变为 -1。有关详细信息，请参阅布尔类型转换。Tipo de datos. 文字列が空文字かどうかをチェックするにはいくつか方法があります。. 8 MB; Rational Class. NET. Contribute to WALLOUD/docs-1 development by creating an account on GitHub. Viewed 219 times 1 I want to manipulate following condition to check if value is either 41 or 42 then ii want to exit the condition , any value other than 41 or 42 i want to execute SendEmailCPK(Msg). NET Language for free. intOrdered < 0 AndAlso intOrdered > 25. Xor Operator. NET are the two primary languages used to program on the . The Like operator allows you to specify a pattern. VB. Each value is called a case, and the variable being switched on is checked for each select case. NET Documentation. EndsWith(". again, less typing. Or does not short-circuit, while OrElse does, 3. The new operators are AndAlso and OrElse and. The basic syntax of the If. intOrdered <= 0 OrElse intOrdered >= 25 d. 'AndAlso' and 'OrElse' are ShortCircuiting operators that means that the execution is shorter because the compiler doesn't evaluate all the expressions in a boolean. Net is rich in built-in operators and provides following types of commonly used operators −. VB. The . That being the case you may find it more convenient to keep a copy of the complete table in memory and do your searches there. ' The OrElse operator is the homologous of AndAlso. 最初のCase文の処理が行われれば、以降のCaseの処理は行われません。. VBA support is not limited to any version of Office, Excel, Word or Access. IsNumber(e. Bottom line: There is no "real" differnce between OrElse and Or in the VB. This repository contains . For instance, let's say that you have this: vb. md","path":"docs. AndAlso와 OrElse에는 이전 VB 버전과 일치하지 않는 방식으로 코드를 향상시키는 몇 가지 속성이 있습니다. statusId = 3 is true, it will return true. LOGICAL OR operation using the OrElse operator in VB. NET Documentation. The AndAlso operator is defined only for the Boolean Data Type. The result is a Boolean value that represents whether exactly one of the expressions is True. If you need logical and/or/. Visual Studio . Contribute to mattjohnsonpint/dotnet-docs development by creating an account on GitHub. The IsNullOrWhiteSpace method interprets any character that returns a value of true when it is passed to the Char. The default value depends on whether the variable is of a value type or of a reference type. 8/2/2019 Language Basics CS 1/25Deccansoft Software Services Language Basics Chapter-3 1 Agenda1. Like many of you I had attempted to use the 'merge' method and 'getchanges', but that does not work for the purpose of simply comparing two datatables. This repository contains . TextBox1. Xml. An expression is a series of value elements combined with operators, which yields a new. Chap4 Quiz 1 VB. The Property statement introduces the declaration of a property. Latest Articles; Top Articles; Posting/Update GuidelinesThis repository contains . intOrdered <= 0 OrElse intOrdered >= 25 d. These will be used for the scores. This is called short-circuited logic. 0. This article describes a Paste As Visual Basic Add-in based on the original code by Scott Swigart from the MSDN article A Visual Studio Add-In That Converts C# Code To Visual Basic. Contribute to User37som/development by creating an account on GitHub. Contribute to stevejgordon/docs-1 development by creating an account on GitHub. Once you've created the project, rename Class1. 包含的論理和 (Or、OrElse) 排他的論理和 (Xor). If (example Is Nothing OrElse Not example. Visual Basic převede každý operand podle potřeby na před Boolean vyhodnocením výrazu. The following will compare two datatables and return the differences. Therefore, the declaration context for a Friend element must be a source file, a namespace, an. VBScript If ElseIf Else Statements - An If statement followed by one or more ElseIf Statements that consists of boolean expressions and then followed by a default else statement, which executes when all the condition becomes false. NET Documentation. In Visual Basic . Miscellaneous Operators. NET Documentation. Not Operator. Linq. The problem is the If (Evaluation, "", "") is complaining saying that it must not be nullable or must be a resource. Select Caseを用いる. OrElse (Expression, Expression) Creates a BinaryExpression that represents a conditional OR operation that evaluates the second operand only if the first operand evaluates to false. statusId = 3) will therefore change the behaviour. The entire. Empty Then 'Do nothing because this is allowed 'Now I want to set the default backcolor for the datagridview to white. As a result, the Where clause is not evaluated until the query is. C Then e. vb This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. You must register before you can post. Or/And will always evaluate both1 the expressions and then return a result. OrElse 演算子は "ショートサーキット" を実行します。 つまり、 expression1 が True の場合、 expression2 は評価されません。 ビットごとの演算の場合、 Or 演算子は、2 つの数値式でまったく同じ位置にあるビットのビットごとの比較を実行し、次の表に. Contribute to ForNeVeR/docs-1 development by creating an account on GitHub. It lets us perform a boolean ' comparison evaluating the second condition only if the first one is False If testFunction(5) = True OrElse otherFunction(4) = True Then ' If testFunction(5) is True, otherFunction(4) is not called. Contribute to stakx/dotnet-docs development by creating an account on GitHub. The compiler considers the IsTrue and IsFalse operators as a matched pair. is the same as: (Exp1) OrElse (Exp2 AndAlso Exp3) If Exp1 is True then the entire expression is True and nothing else is evaluated. BinaryExpression OrElse (System. SQL is a fairly clumsy 'language' and doesn't have anything like the sophistication of a VB OrElse. T96946. B. The beauty of Web Custom Controls as opposed to Web User Controls is that they are compiled into an assembly which can easily be copied between ASP. User-1269234728 posted Hi Guys, Having trouble getting this Coding to work correctly - It only recognizes the top if statement - Bottom If Statement not recognized. You can use OrElse to get short-circuiting behaviour. NET Forums on Bytes.