how to add textbox values in asp.net

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please help me adding textbox values

my code is having error

C#

protected void TextBox11_TextChanged(object sender, EventArgs e)
    {
        if((!string.IsNullOrEmpty(TextBox6.Text)) && (!string.IsNullOrEmpty(TextBox7.Text)) && (!string.IsNullOrEmpty(TextBox8.Text)) && (!string.IsNullOrEmpty(TextBox9.Text)) && (!string.IsNullOrEmpty(TextBox10.Text)) && (!string.IsNullOrEmpty(TextBox11.Text)))
        {
            TextBox12.Text = (Convert.ToInt32(TextBox6.Text) + Convert.ToInt32(TextBox7.Text)) + (Convert.ToInt32(TextBox8.Text) + Convert.ToInt32(TextBox9.Text)) + (Convert.ToInt32(TextBox10.Text) + Convert.ToInt32(TextBox11.Text)).ToString();
        }
    }

i want to add 6 textbox values and display in read only textbox7 please help me thanks in advance friends help me plz

Posted 19-Apr-12 4:11am

karthikh87

Updated 19-Apr-12 4:14am

Wes Aday

v2

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[no name] 19-Apr-12 10:18am

Knowing what the error is would be really helpful. If you really read what your code is doing and what you wrote here, you would easily see the problem....
"TextBox12.Text =" will not display anything in textbox7

Ed Nutting 19-Apr-12 10:20am

My apologies - I opened too many tabs and posted that comment on the wrong question as a result :S
I agree with Wes Aday - please could you update your question with the error message (use Improve Question link - bottom right of question).
Thanks,
Ed

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karthikh87 · Answer 1 · 2012-04-19T04:22:00

i got it working i had did little error that converting fro int to string and correct code is below

if((!string.IsNullOrEmpty(TextBox6.Text)) && (!string.IsNullOrEmpty(TextBox7.Text)) && (!string.IsNullOrEmpty(TextBox8.Text)) && (!string.IsNullOrEmpty(TextBox9.Text)) && (!string.IsNullOrEmpty(TextBox10.Text)) && (!string.IsNullOrEmpty(TextBox11.Text)))
{
TextBox12.Text = ((Convert.ToInt32(TextBox6.Text) + Convert.ToInt32(TextBox7.Text)) + (Convert.ToInt32(TextBox8.Text) + Convert.ToInt32(TextBox9.Text)) + (Convert.ToInt32(TextBox10.Text) + Convert.ToInt32(TextBox11.Text))).ToString();
}