Javascript validation for Gridview in edit mode

Categories :- Javascript validation for Gridview footer textbox , Advantages of wcf
 
Introdouction : -

In my Article I am explain how  in can use java script for  validate text box in footer row and check text box in now then generate  the alert please insert Record using  ASp.Net 

Description : -

In My previous Post I have Explained Javascript validation for Gridview footer textbox  in ASp.Net  .There is good source code of  WCF . Now  Java script Validation for Gridview for GridView in Edit Mode.

Here gridview have dropdownlist and two textbox.This javascript validate these fields in edit mode.

function ValidateGridEditMode()
{
var Gid = document.getElementById('ctl00_ContentPlaceHolder1_TabContaner_tabCustomer
_gvCustomer').rows.length;
var i;
for(i=2; i <=Gid; i++)
{
if(i<10)
{
ddlCustLocation = document.getElementById('ctl00_ContentPlaceHolder1_TabContaner_tabCustomer
_gvCustomer_ctl0'+i+'_ddlCustLocation');
txtCustCode = document.getElementById('ctl00_ContentPlaceHolder1_TabContaner_tabCustomer
_gvCustomer_ctl0'+i+'_txtCustCode');
txtCustName = document.getElementById('ctl00_ContentPlaceHolder1_TabContaner_tabCustomer
_gvCustomer_ctl0'+i+'_txtCustName');
}

else
{
ddlCustLocation = document.getElementById('ctl00_ContentPlaceHolder1_TabContaner_tabCustomer
_gvCustomer_ctl'+i+'_ddlCustLocation');
txtCustCode = document.getElementById('ctl00_ContentPlaceHolder1_TabContaner_tabCustomer
_gvCustomer_ctl'+i+'_txtCustCode');
txtCustName = document.getElementById('ctl00_ContentPlaceHolder1_TabContaner_tabCustome
r_gvCustomer_ctl'+i+'_txtCustName');
}


ddlCustLocation != null || txtCustCode != null || txtCustName != null)
{
ddlCustLocation == 0)
{
alert("Please Select Location..");
ddlCustLocation.focus();
return false;
}
else
{
if(txtCustCode.value == 0)
{
alert("Please enter Customer Code..");
txtCustCode.focus();
return false;
}
else
{
if(txtCustName.value == "")
{
alert("Please enter Customer Name ..");
txtCustName.focus();
return false;
}
}
}
}
}
return true;
}