Hi thank you so much for replying I tried by giving all the permission to the folder.but it didn't work. Best Regards. PrakashACCS

Hi, In page load mainchecbox.Attributes.Add("OnClick", "JavaScript:YourJSFun('" & table1.ClientID & "'," & mainchecbox.ClientID & ");") and your java script function YourJSFun(table,value) { document.getElementById(table).setAttribute("disabled",val.checked); } try this. If U Have Interest, U Can... Sherin Iranimose