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private void textBox2_Validating(object sender, CancelEventArgs e)
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{
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if (textBox2.TextLength>0 && (textBox2.TextLength!=5))
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{
5 errorProvider1.SetIconAlignment((Control)sender,ErrorIconAlignment.MiddleRight);
6 errorProvider1.SetError((Control)sender,"TextLength>0 && TextLength!=5");
7 e.Cancel=true;
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}
9 else
10 {
11 errorProvider1.SetError((Control)sender,"");
12 }
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}
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