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Combobox Binding in WPF

Posted By: Aamrapali Tamgadge     Posted Date: April 22, 2013    Points:5   Category :WPF
hello sir I have one datagrid inside that hav put one combobox as follws.and i have bind the data to it but the problem is that when i bind the data the selection is blank means my combobox is shown blank when user look at this but when i click it data is there.
but my requirement is that if there is already data is prsent in table then i have to bind that to combo.like we normally do using selected text and selected value..how to do this in this situation
also i wannt to find that comboboxcolumn.
Thanks in advance.
My code is

gridprincipal.ItemsSource = dt.DefaultView;

ds = objcbal.BAL_BindSearchGrid(cp);
DataTable dtexpert = ds.Tables[0];

DataGridTemplateColumn ComboColumn = new DataGridTemplateColumn();
ComboColumn.Header = "Expert Name"; ComboColumn.Width = 100;

FrameworkElementFactory ComboFactory = new FrameworkElementFactory(typeof(ComboBox));
ComboFactory.SetValue(ComboBox.ItemsSourceProperty, dtexpert.DefaultView);
ComboFactory.SetValue(ComboBox.DisplayMemberPathProperty, "Expert Name");
ComboFactory.SetValue(ComboBox.SelectedValuePathProperty, "Expert Code");
ComboFactory.SetValue(ComboBox.IsEditableProperty, true);
//ComboColumn.SetCurrentValue(ComboBox.SetIsSelected(ComboBox,0),true );

DataTemplate ComboCellTemplate = new DataTemplate();
ComboCellTemplate.VisualTree = ComboFactory;
ComboColumn.CellTemplate = ComboCellTemplate;


col = new DataGridTextColumn();
col.Header = "expertcode";
col.Binding = new Binding("expertcode");

for (int j = 0; j < gridprincipal.Items.Count;j++ )

if (dt.Rows[j]["Expert Name"].ToString() != "")
string expname =dt.Rows[j]["ExpertName"].ToString();
DataGridCell cell = GetCell(j, 11);
//cell.Content = expname;


Author: Clintonzz             
Posted Date: February 07, 2014     Points: 20   

I happened to read something about the combobox data-binding, hope it helps:


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