editItem

Method which switches the table row passed as an argument or the row corresponding to the index passed as an argument in edit mode.

editItem(gridItem) or editItem(index)
gridItem	HTML row object -
The row that will be switched in edit mode.
index	Integer	The row corresponding to the index will be switched in edit mode.

Example:

JavaScript

function EditFirstItem() {
    var masterTable = $find("<%= RadGrid1.ClientID %>").get_masterTableView();
    masterTable.editItem(masterTable.get_dataItems()[0].get_element());
}