How to make control enable ,use validator control

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How to make control enable ,use validator control

Author

Topic

sheena
Starting Member

45 Posts

Posted - 2007-05-16 : 14:44:59

Hello frdz,

I want to check the condition in the dropdownlistbox which value is selected.
Depending on that i want to set enable or visible property to false for some controls.So,that the user can not enter into it.

I m using asp.net with C# 2005.

I don't know it can be performed in the C#.but thento i have tried pls tell me where i have done the big mistake.

thanxs in adv.


 protected void Page_Load(object sender, EventArgs e)
    {
        
        bool cmbitem = false;
        if (cmbrecmode.SelectedValue = "Cash")
        {
            cmbitem = true;
            cmbbankname.Enabled = false;
            tbcheqno.Enabled = false;
            tbchequedt.Enabled = false;
        }

This code is not allowing me to atleast compile the program.
So tell me how to correct it.

sheena
Starting Member

45 Posts

Posted - 2007-05-16 : 14:54:47

Compiler Error Message: CS0029: Cannot implicitly convert type 'string' to 'bool'

dfiala
Posting Yak Master

116 Posts

Posted - 2007-05-16 : 14:58:18

in C#:
= is an assignment operator
== is an evaluation operator

you need to use == here

if (cmbrecmode.SelectedValue == "Cash")
{
cmbitem = true;
cmbbankname.Enabled = false;
tbcheqno.Enabled = false;
tbchequedt.Enabled = false;
}

Dean Fiala
Very Practical Software, Inc
Now with Blogging...
http://www.vpsw.com/blogbaby
Microsoft MVP

sheena
Starting Member

45 Posts

Posted - 2007-05-17 : 00:53:47

thanxs very much...for finding mistake.

Ok,one another problem can anyone tell me which validator should be used to select the particular value from the drop-down list.

I have 3 values
0 - Select Mode
1 - Cash
2 - Credit

Now,the user if selects the index 0 value then also it takes and stores into the database which i don't want.

I think validator control can be used but what conditions should be put for that ??

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