Check NULL value in ASP.Net RDLC Report

on Dec 02, 2022 05:50 AM

If textbox is null or nothing, the using report viewer its same this code

Because i did try and nothing in page

My code in textbox report expression

=IIf(Parameters!serialPC.Value = Nothing, " ",Parameters!serialPC.Value)
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on Dec 03, 2022 05:35 AM

I found the solution

=IIf(Parameters!txtmodelphone.Value = "0", " ", Parameters!txtmodelphone.Value)

in HTML page i must add text = 0 or anything like please add something

in report 0 or please add something = nothing

now working

=IIf(Parameters!txtmodelphone.Value = "please add something", " ", Parameters!txtmodelphone.Value)