Uncaught ReferenceError: treeview is not defined

See more:

ASP.NET

Error is
Uncaught ReferenceError: treeview is not defined

i call code behind method from javascript using ajaxpro dll
that method contain 2 parameter
i.e. code behind method is like this

public void Fill_ACC(TreeNode Node, string comp_id)
    {
    }

and .aspx page method is like this

function treeview(strNode,comid)
{
    alert(MIS_frmaccountmapping.Fill_ACC(strNode,comid));
}

using debugger at .aspx page when i check value of 2 parameter is
strNode=System.Web.UI.WebControls.TreeNode
comid=CM000005

so i got this error
Uncaught ReferenceError: treeview is not defined