I am new to Telerik Controls.I downloaded the sample Web Email AJAX .I removed Linq datasource and use my own database binding,But when I am clicking for Sort on grid view(e.g. From,Subject,Date) I got following error.I appreciate if someone can help me.
Microsoft JScript runtime error: 'grid.get_masterTableView()' is null or not an object
Thanks,
Amit
2 Answers, 1 is accepted
A possible reason for the get_masterTableView() method to return null is if you are trying to access the MasterTableView before it is created. If it is called after the GridCreated client-side event, it should always return the respective MasterTableView client object.
Best wishes,
Pavlina
the Telerik team
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protected
void RadGrid1_SortCommand(object source, Telerik.Web.UI.GridSortCommandEventArgs e)
{
GridSortExpression expression = new GridSortExpression();
if(e.Item.OwnerTableView.SortExpressions.Count == 0 || e.Item.OwnerTableView.SortExpressions[0].FieldName != e.SortExpression)
{
expression.SortOrder =
GridSortOrder.Descending;
}
else if(e.Item.OwnerTableView.SortExpressions[0].SortOrder == GridSortOrder.Descending)
{
expression.SortOrder =
GridSortOrder.Ascending;
}
else if(e.Item.OwnerTableView.SortExpressions[0].SortOrder == GridSortOrder.Ascending)
{
expression.SortOrder =
GridSortOrder.None;
}
e.Item.OwnerTableView.SortExpressions.AddSortExpression( expression );
e.Item.OwnerTableView.Rebind();
BindGrid(selectedNode);//This function will done DB binding.
}
Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: An item with the same key has already been added.