GetElementbyId(...) is null or not an Object

Question

hi...
could any one help me to set a value into hidden textbox html.
i use syntak below... at first it s work the value is in into textbox
but after i made in masterpage..(contentholder) the error was
GetElementbyId(...) is null or not an Object

function

startEdit()

{

 

document.getElementById("edHidden").value = "Editing";

 

}

<

input id="edHidden" runat="server" type="text" enableviewstate="true" />

 

<input id="btnStartEdit" type="button" value="Start Edit" onclick="startEdit()" disabled="disabled" />



any one can help me please

Answer 1

document.getElementById

is missing a '.'

You have documentgetElementById

Answer 2

Sorry, I am a new comer and I still can't understand it. Could you please explain it more detailedly?

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