What is errorprovider?

Posted by Ddd on 2/9/2011 | Category: Others Interview questions | Views: 4630 | Points: 40

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Answer:

It is a control that is used to display blinking error message in a tooltip when some
control (example : a textbox) has invalid data.
Code snippet:

private void button1_Click(object sender, EventArgs e)

        {

            if (textBox1.Text == "")

            {

                errorProvider1.SetError(textBox1, "please enter");

            }

            else

            {

                errorProvider1.SetError(textBox1, "");



            }

        }

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