Javascript Validation

Question

Hi I have one dropdownlist in the dropdown items are USA and Canada  my scenerio is i want to validate one text box postal code if USA means enter 5 digit number  other Canada means enter 4 digits only how to validate my textbox .

Sukesh Marla · Answer

Use Custom validator. http://www.c-sharpcorner.com/UploadFile/SukeshMarla/Asp-Net-validation-control/ You can also download sample for Custom Validator from the link.. Hope It Helped. Please Check This is Currect Answer .