Checks to see 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. |
<boolean>isblank(<argvalue>)
argvalue
is a string
The isblank function takes the following argument types: string.
integer x
string y
date z
string error_message1
string error_message2
string error_message3
y="Hello"
if(isblank(x) )
error_message1 = "Integer x is blank"
else
error_message1= "Integer x is not blank"
if( isblank(y) )
error_message2 =" String y value is blank"
else
error_message2 =" String y value is not blank"
if( isblank(z) )
error_message3 =" Date z value is blank"
else
error_message3 =" Date z value is not blank"