ISBLANK Function

Checks if an argument contains a blank, empty value. When the argument value is blank, the function returns true. Otherwise, it returns false.

Category: Information and Conversion
Returned data type: Integer
Note: The returned value is a Boolean value.

Syntax

<boolean>ISBLANK(<argvalue>)

Required Argument

argvalue

is a string.

Details

The ISBLANK function takes the following argument types: string.

Example

string x
string y
date z
string error_message1
string error_message2
 
x="Hello"
 
if(isblank(x) )
   error_message1 = "x is blank"
else
   error_message1= "x is not blank"
 
if( isblank(y) )
   error_message2 =" String y value is blank"
else
   error_message2 =" String y value is not blank"