Try using this Javascript:
function FindElement()
{
var grid = $find("<%=gridlist.ClientID %>");
var MasterTable = grid.get_masterTableView();
var length = MasterTable.get_dataItems().length;
for (var i = 0; i < length; i++)
{
var RadTextBoxSandi = MasterTable.get_dataItems()[i].findElement("RadTextBoxSandi");
RadTextBoxSandi.innerText = "Test";
}
}
You can see all telerik related questions
in one of these forums[
^].
--Amit