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Getting Row Value is null in WPF.

Posted By: Aamrapali Tamgadge     Posted Date: April 26, 2013    Points:5   Category :WPF
Hello sir i have one datagrid in that i have bind some textcolumn and one combobox in datatemplate. In combo i have to disply the members names.some members id if exist then tthat perticular member shuld bind to the combobox otherwise all list shud b disply from master table.
i have done the following code objprop is my list.i have to do this on page load.but not getting the exact solution pls suggest me what to do.Its argent.
Thanks in advance.

gridprincipal.ItemsSource = objprop;

for (int j = 0; j < gridprincipal.Items.Count; j++)
DataGridRow row = (DataGridRow)this.gridprincipal.ItemContainerGenerator.ContainerFromIndex(j);
if (row != null)
ComboBox cb = new ComboBox();
cb = FindVisualChild<ComboBox>(row);
if (cb != null)
catch { }


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