select all text in text box

Question

Hello All i have windows App some text boxs i tab between textbox by this code private void AstTxt_KeyDown(object sender KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { AltTxt.Focus(); } } but i want when go next text box select data in this textbox not delete it

Jignesh Trivedi · Answer

Hi you can also write this code in Enter event of text box private void textBox1_Enter(object sender System.EventArgs e){ if (!String.IsNullOrEmpty(textBox1.Text)) { textBox1.SelectionStart = 0; textBox1.SelectionLength = textBox1.Text.Length; } } hope this will help you.

Ramadan Elmahdy · Answer

thanx i have solved private void AstTxt_KeyDown( object sender KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { AltTxt.Focus(); AltTxt.SelectionStart = 0 ; AltTxt.SelectionLength = AltTxt.Text.Length; } }