vbscript check if string is null

If you need to detect whether a variable actually is an empty variant and n...

If you need to detect whether a variable actually is an empty variant and not a string or a number, you can use IsEmpty. Alternatively, you could use TypeName.

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The IsBlank function below will return True if the variable or value passed...

The IsBlank function below will return True if the variable or value passed to it is Empty or NULL or Zero. It will return False if the variable contains any string or a.

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strName = "buntine" If strName "" Then ' String is...

strName = "buntine" If strName "" Then ' String is not empty. It takes more than just a "working knowledge" of VBScript to truly understand.

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you may not know whether the value of the variable is an EMPTY string or a ...

you may not know whether the value of the variable is an EMPTY string or a NULL value. In If IsNull(variable) Or IsEmpty(variable) Then.

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Hi I am trying to write a conditional IF statement where one of the conditi...

Hi I am trying to write a conditional IF statement where one of the conditions is, Field1 is Not Empty Field2 is Not Null I have tried, IsEmpty(Field1) VBscript, server side. Thanks! Faq. March 1st, isn't null, its an empty string. therefore If isNull(var) will see var as "", which isn't null. therefore, try if not.

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The IsNull function returns a Boolean value that indicates whether a specif...

The IsNull function returns a Boolean value that indicates whether a specified expression contains no valid data (Null). It returns True if expression is Null;.

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Is there a way to use VBScript to check and replace a null field with anoth...

Is there a way to use VBScript to check and replace a null field with another field in a repeat region's table cell? So if the petname field is null, I want to replace it with petcode. Replace is good for replacing part of a string.

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Functions (VBScript) Len Function. Len Function Minute Function (VBScript) ...

Functions (VBScript) Len Function. Len Function Minute Function (VBScript) string. Any valid string expression. If string contains Null, Null is returned.

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There are a couple of ways you can check for an empty value in a TextBox, I...

There are a couple of ways you can check for an empty value in a TextBox, If you set it equal to some other object, it will be cast as string.

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Syntax: VBScript Left Function If string contains Null, Null is returned. l...

Syntax: VBScript Left Function If string contains Null, Null is returned. length To determine the number of characters in string, use the Len function.

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What I am not sure of is, how do you check to see if a variable actually VB...

What I am not sure of is, how do you check to see if a variable actually VB and VBScript are notorious poor performers with string operations.

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I am trying to identify a NULL value in a string field and assign a value. ...

I am trying to identify a NULL value in a string field and assign a value. GetStringValue(ByVal value As Object) As String; If value Is DBNull.

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I am working on ASP VBScript How can string.?? Actually i want to check on ...

I am working on ASP VBScript How can string.?? Actually i want to check on a precondion that if recodset is empty i want to take some action And note that NULL is not considered as a string and is not the same as "".

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In a VBScript .vbs) or an HTA file, using VBScript, can someone > please...

In a VBScript .vbs) or an HTA file, using VBScript, can someone > please post generic example . to determine if the array is half-empty or half-full? /Al example) or a pointer to the value (an object, string or an array). Had Split returned null, empty or an undimensioned array I would have to take steps.

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IF (StrComp(Session("myVar"), dwn.220.v.ua("my_var")) 0...

IF (StrComp(Session("myVar"), dwn.220.v.ua("my_var")) 0) THEN. but it still returned a string match when the Session variable was null and.

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