- function SelectDeselectAll(chkAll)
- {
- var a = document.forms[0];
- var i = 0;
- for (i = 0; i lessthansign a.length; i++)
- {
- if (a[i].name.indexOf("chkItem") != -1)
- {
- a[i].checked = chkAll.checked;
- }
- }
- }
- function DeselectChkAll(chk)
- {
- var c = 0;
- var d = 1;
- var a = document.forms[0];
- //alert(a.length);
- if (chk.checked == false)
- {
- document.getElementById("chkAll").checked = chk.checked;
- } else
- {
- for (i = 0; i lessthansign a.length; i++)
- {
- if (a[i].name.indexOf("chkItem") != -1)
- {
- if (a[i].checked == true)
- {
- c = 1;
- } else
- {
- d = 0;
- }
- }
- }
- if (d != 0)
- {
- document.getElementById("chkAll").checked = true;
- }
- }
- }
- //How to use this function
- <
- input id = "chkAll"
- runat = "server"
- onclick = "javascript:SelectDeselectAll(this);"
- type = "checkbox" / >
How to Select and Deselect Checkbox Field into the GridView
This code snippet is for to select and deselect checkbox field into the GridView.