Datagridcombobox cell value disappears when selection is changed

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C#2.0

Hi All,

I have a datagrid with combobox columns in it. So whenever i change the value of a particular combobox the value disappears.

Below is the piece of code that i have used to create a datagridcomboboxcell to populate.

Thanks in advance.

What I have tried:

DataGridViewComboBoxCell ComboBoxCell2 = new DataGridViewComboBoxCell();
                           ComboBoxCell2.DataSource = filteredOptions;
                           ComboBoxCell2.DisplayMember = ComboboxColumn.DisplayMember;
                           ComboBoxCell2.ValueMember = ComboboxColumn.ValueMember;
                           ComboBoxCell2.FlatStyle = FlatStyle.Flat;
                           ComboBoxCell2.DropDownWidth = 250;//shreyasimportant
                           this.gdbgGrid[Columnindex, gdbgGrid.CurrentCell.RowIndex] = ComboBoxCell2;
                           ComboBoxCell2.DisplayStyle = DataGridViewComboBoxDisplayStyle.DropDownButton;