How to validte the combobox in asp.net

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i have two fields as follows

diesel cost combobox1

diesel rate combobox2

when user run first want to click the combobox2 first.if suppose when user clicks the combobox1 want to show the message as "first select the combobox2 first".

for that how to write the code in asp.net.please help me.it is a window based application.

Reagards,
Narasiman P

Posted 12-Oct-12 20:19pm

Member 8054539

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n.podbielski 13-Oct-12 2:28am

Why not hide second combo until user fill out first?

Mohamed Mitwalli 13-Oct-12 2:34am

your saying How to validte the combobox in asp.net ? this is your Question and in your description " window based application." is it windows application or web

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KManishS · Answer 1 · 2012-10-12T21:13:00

Solution 1

for windows application,

if(comboBox2.Text=="")
messageBox.Show("Select ComboBox2 First");

write it on click event of first combobox

Posted 12-Oct-12 21:13pm

KManishS

Updated 12-Oct-12 21:45pm

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How to validte the combobox in asp.net

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How to validte the combobox in asp.net

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