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Christian
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Backgound image of CellButton lost after Postback
posted

Hi,

i have a Problem with the UltraWebGrid component. In the PageLoad event handler i add an UltraGridColumn (cellbutton) with a background image dynamically to the grid. After the first Page Load event the button is displayed correct. But when a PostBack occurs the column looses it's BackgroungImage property as i can see via debugging. Only an empty is shown on the page as a consequence. Can anybody explain me what the reason of this strange behavior is?protected void Page_Load(object sender, EventArgs e)

{

   if (!IsPostBack)

  {

     UltraGridColumn col = new UltraGridColumn("icon", null, ColumnType.Button, null);

     col.CellStyle.BackgroundImage = "./App_Themes/Them1/Images/Edit.ico";

     col.CellStyle.BackColor = col.CellStyle.ForeColor = System.Drawing.Color.Transparent;

     col.CellButtonDisplay = CellButtonDisplay.Always;

     col.CellButtonStyle.BorderStyle = BorderStyle.None;

      col.CellButtonStyle.BorderWidth = Unit.Pixel(0);

      col.CellButtonDisplay = CellButtonDisplay.Always;

      col.CellStyle.TextOverflow = TextOverflow.Ellipsis;

      col.ChangeLinksColor = false;

      UltraWebGrid1.Columns.Add(col);

   }

}

 

Thanks, Christian

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