Null value for string type.

Finance and Operations/AX Developer Forum
1

I want to check for a field type string at the form entry level that if the user leave this field blank then it should raise an error.

i am writing this condition to check the null

if table.field1 == ’ '

it is not working

plz help.

2

Hi,

should try :

if table.field1 == ""

or

if(table.field1)

{

…

}

regards

Thomas

3

hi,

y can’t u make that field’s mandatory property to ‘yes’

4

It’s not working

5

just make the field is mandatory by using properties or code

else write this below code in the validatewrite() method of the datasource

public boolean validateWrite()
{
boolean ret;

ret = super();

if (Table.Field1 == “”)
{
ret = checkfailed (“Enter the value”);
}
return ret;

}

First u hav 2 tel whether its alwys mandatory or to make mandatory based on the selected value in the other field