DataGridViewComboBoxColumn::Items Property
Gets the collection of objects used as selections in the combo boxes.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
public: property DataGridViewComboBoxCell::ObjectCollection^ Items { DataGridViewComboBoxCell::ObjectCollection^ get(); }
Property Value
Type: System.Windows.Forms::DataGridViewComboBoxCell::ObjectCollection^An DataGridViewComboBoxCell::ObjectCollection that represents the selections in the combo boxes.
| Exception | Condition |
|---|---|
| InvalidOperationException | The value of the CellTemplate property is null. |
This property returns the value of the Items property of the DataGridViewComboBoxCell returned by the CellTemplate property.
The Items or DataSource properties are used to populate the selections of the combo boxes.
If strings are added to Items, then the ValueMember and DisplayMember properties do not need to be set because each string added will be used for both value and display.
Note |
|---|
DataGridViewComboBoxColumn does not support the use of multiple items with identical display values. |
If the DataSource property is set, then Items cannot be used.
The following code example demonstrates how to use a DataGridViewComboBoxColumn to aid in entering data into the TitleOfCourtesy column. The Items property is used to populate the combo box drop-down list with a selection of titles. This example is part of a larger example available in the DataGridViewComboBoxColumn class overview topic.
private: void SetAlternateChoicesUsingItems( DataGridViewComboBoxColumn^ comboboxColumn) { comboboxColumn->Items->AddRange("Mr.", "Ms.", "Mrs.", "Dr."); } private: DataGridViewComboBoxColumn^ CreateComboBoxColumn() { DataGridViewComboBoxColumn^ column = gcnew DataGridViewComboBoxColumn(); { column->DataPropertyName = ColumnName::TitleOfCourtesy.ToString(); column->HeaderText = ColumnName::TitleOfCourtesy.ToString(); column->DropDownWidth = 160; column->Width = 90; column->MaxDropDownItems = 3; column->FlatStyle = FlatStyle::Flat; } return column; }
Available since 2.0
