load data into combobox which is in datagridview.

Karthi Keyan

Hi.

I am developing an windows application in c#. i am having a datagridview which having the columns. in that columns i am having a 3 combobox. i want to load data into the combobox when the form is load. the combobox can't add by program at the end of the datagridview because that's position is 3rd, 4th and 5th. i know only to load data when the combobox add by program. how to load the data, is it possible or is there any other way?

Thanks in advance.

5 Replies

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Kranthi Vardhan Kolluru9y ago
Actually the datagridviewcomboboxcolumn does't allow to hold the typed text its default nature, but how i tried using these two events
string editingValue;

private void dgvItems_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {

            var combo = e.Control as ComboBox;
            if(combo != null){
                combo.DropDownStyle = ComboBoxStyle.DropDown;
                combo.TextChanged += (s,ev) => {
                editingValue = combo.Text;
                };

            }
        }

private void dgvItems_CellEndEdit(object sender, DataGridViewCellEventArgs e)
        {
            var comboColumn = dgvItems.Columns[e.ColumnIndex] as DataGridViewComboBoxColumn;
            if (comboColumn != null && editingValue != "" &&
               !comboColumn.Items.Contains(editingValue))
            {
                comboColumn.Items.Add(editingValue);
                dgvItems[e.ColumnIndex, e.RowIndex].Value = editingValue;
            }
        }
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Karthi Keyan9y ago
i can type in the combobox but when i moved to the next cell the combobox gone empty cell i mean the typed the value will cleared. this is current state. i want to keep that typed value if the search value not in combobox.
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Kranthi Vardhan Kolluru9y ago
if search item is not in the combobox list, then what do you want to shown in the comboBox ?
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Karthi Keyan9y ago
Thanks Mr.Kranthivardhan. ya i tried and also did that. but i got some problem in typing in that combobox. this is my concept. when i am typing in the combobox in the datagridview this want to do the list items and suggest items like a normal combobox. if i type the new value which is not in loaded values it should not be cleared or erased.

i did list items and suggesting items. but when i type the new value which is not exists in loaded value, it automatically cleared when i press Tab or Enter.

this is my problem now.

what i want to do now. i tried this from yesterday. but can't reach the goal.
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Kranthi Vardhan Kolluru9y ago
your question is not clear.. are you want dynamically to add comboboxes in datagridview columns..?
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