If numerical value will zero in textbox

Question

Hello .... I want to add numerical value in textbox . if numerical value will '0' then it should diplay the error please help me. Thanx in Advance

Rupali Shinde · Answer

Hi Kishan Please check below code - it is working fine as per need. var specialKeys = new Array(); specialKeys.push(8); //Backspace function IsNumeric(e) { var keyCode = e.which ? e.which : e.keyCode var ret = ((keyCode >= 49 && keyCode document.getElementById(error).style.display = ret ? none : inline; return ret; } body { font-size: 9pt; font-family: Arial; } Numeric Value: ondrop=return false;/> * Input digits (1 - 9) If the answer is helpful.Then please accept it ..!!

Priyaranjan K S · Answer

Hi Kishan You may use the below code private void txtNumber_TextChanged(object sender EventArgs e) { if (txtNumber.Text.Length == 0) { MessageBox.Show(You cannot input 0); } } Thanks Priyan If you found this useful Please mark this as Answer