■ DataGridView 클래스의 컬럼에서 동적 콤보 박스를 사용하는 방법을 보여준다.
▶ ListItem.cs
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namespace TestProject { /// <summary> /// 리스트 항목 /// </summary> public class ListItem { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 - Value /// <summary> /// 값 /// </summary> public string Value { get; set; } #endregion #region 텍스트 - Text /// <summary> /// 텍스트 /// </summary> public string Text { get; set; } #endregion #region 태그 - Tag /// <summary> /// 태그 /// </summary> public object Tag { get; set; } #endregion } } |
▶ MainForm.cs
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using System; using System.Collections.ObjectModel; using System.Text; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Class ////////////////////////////////////////////////////////////////////////////////////////// Private #region 그리드 항목 - GridItem /// <summary> /// 그리드 항목 /// </summary> private class GridItem { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 제목 - Title /// <summary> /// 제목 /// </summary> public string Title { get; set; } #endregion #region 타입 - Type /// <summary> /// 타입 /// </summary> public string Type { get; set; } #endregion #region 값 1 - Value1 /// <summary> /// 값 1 /// </summary> public string Value1 { get; set; } #endregion #region 값 2 - Value2 /// <summary> /// 값 2 /// </summary> public string Value2 { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 컬렉션 구하기 - GetCollection() /// <summary> /// 컬렉션 구하기 /// </summary> /// <returns>컬렉션</returns> public static ObservableCollection<GridItem> GetCollection() { ObservableCollection<GridItem> collection = new ObservableCollection<GridItem>(); collection.Add(new GridItem() { Title = "항목1", Type = "A" , Value1 = "A", Value2 = "" }); collection.Add(new GridItem() { Title = "항목2", Type = "B" , Value1 = "" , Value2 = "B" }); collection.Add(new GridItem() { Title = "항목3", Type = "A" , Value1 = "A", Value2 = "" }); collection.Add(new GridItem() { Title = "항목4", Type = "Both", Value1 = "A", Value2 = "B" }); collection.Add(new GridItem() { Title = "항목5", Type = "B" , Value1 = "" , Value2 = "B" }); return collection; } #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); InitializeColumns(); this.dataGridView.AllowUserToAddRows = false; this.dataGridView.AllowUserToDeleteRows = false; this.dataGridView.AllowUserToOrderColumns = false; this.dataGridView.AllowUserToResizeRows = false; this.dataGridView.RowHeadersVisible = false; this.dataGridView.DataSource = GridItem.GetCollection(); this.dataGridView.CellClick += dataGridView_CellClick; this.dataGridView.EditingControlShowing += dataGridView_EditingControlShowing; this.dataGridView.CellValueChanged += dataGridView_CellValueChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 데이터 그리드 뷰 셀 클릭시 처리하기 - dataGridView_CellClick(sender, e) /// <summary> /// 데이터 그리드 뷰 셀 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_CellClick(object sender, DataGridViewCellEventArgs e) { if((e.RowIndex < 0) || (e.ColumnIndex < 0)) { return; } if(e.ColumnIndex != 1) { return; } DataGridViewRow dataGridViewRow = this.dataGridView.Rows[e.RowIndex]; DataGridViewCell dataGridViewCell = dataGridViewRow.Cells[e.ColumnIndex]; if(dataGridViewCell is DataGridViewComboBoxCell) { dataGridView.CurrentCell = dataGridViewCell; dataGridView.BeginEdit(true); DataGridViewComboBoxEditingControl comboboxEdit = (DataGridViewComboBoxEditingControl)this.dataGridView.EditingControl; if(comboboxEdit != null) { comboboxEdit.DroppedDown = true; } } } #endregion #region 데이터 그리드 뷰 편집 컨트롤 표시시 처리하기 - dataGridView_EditingControlShowing(sender, e) /// <summary> /// 데이터 그리드 뷰 편집 컨트롤 표시시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e) { int rowIndex = this.dataGridView.CurrentCell.RowIndex; string y1Name = this.dataGridView.Rows[rowIndex].Cells[2].Value as string; string y2Name = this.dataGridView.Rows[rowIndex].Cells[3].Value as string; ComboBox comboBox = e.Control as ComboBox; if(comboBox != null) { object value = comboBox.SelectedItem; comboBox.SelectedIndexChanged -= comboBox_SelectedIndexChanged; comboBox.Items.Clear(); if(y1Name.Length > 0 && y2Name.Length > 0) { comboBox.Items.AddRange(new object[] { "Both", "A", "B" }); } else if(y1Name.Length > 0 && y2Name.Length == 0) { comboBox.Items.AddRange(new object[] { "A", "B" }); } else if(y1Name.Length == 0 && y2Name.Length > 0) { comboBox.Items.AddRange(new object[] { "A", "B" }); } else { comboBox.Items.AddRange(new object[] { "Both", "A", "B" }); } comboBox.SelectedItem = value; comboBox.SelectedIndexChanged += comboBox_SelectedIndexChanged; } } #endregion #region 콤보 박스 선택 인덱스 변경시 처리하기 - comboBox_SelectedIndexChanged(sender, e) /// <summary> /// 콤보 박스 선택 인덱스 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void comboBox_SelectedIndexChanged(object sender, EventArgs e) { try { this.dataGridView.CommitEdit(DataGridViewDataErrorContexts.Commit); this.dataGridView.UpdateCellValue(dataGridView.CurrentCell.ColumnIndex, dataGridView.CurrentCell.RowIndex); } catch(Exception exception) { MessageBox.Show(exception.ToString()); } } #endregion #region 데이터 그리드 뷰 셀 값 변경시 처리하기 - dataGridView_CellValueChanged(sender, e) /// <summary> /// 데이터 그리드 뷰 셀 값 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_CellValueChanged(object sender, DataGridViewCellEventArgs e) { StringBuilder stringBuilder = new StringBuilder(); stringBuilder.AppendLine("데이터 그리드 뷰 결과"); stringBuilder.AppendLine(); foreach(DataGridViewRow row in dataGridView.Rows) { stringBuilder.Append("행" + row.Index + "\t"); foreach(DataGridViewCell cell in row.Cells) { if(cell.Value == null) { stringBuilder.Append("null\t"); } else { stringBuilder.Append(cell.Value.ToString() + "\t"); } } stringBuilder.AppendLine(); } MessageBox.Show(stringBuilder.ToString()); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 컬럼들 초기화 하기 - InitializeColumns() /// <summary> /// 컬럼들 초기화 하기 /// </summary> private void InitializeColumns() { this.dataGridView.Columns.Clear(); DataGridViewTextBoxColumn textBoxColumn; textBoxColumn = new DataGridViewTextBoxColumn(); textBoxColumn.Name = "Title"; textBoxColumn.HeaderText = "제목"; textBoxColumn.DataPropertyName = "Title"; textBoxColumn.ReadOnly = true; textBoxColumn.Visible = true; this.dataGridView.Columns.Add(textBoxColumn); DataGridViewComboBoxColumn comboBoxColumn; comboBoxColumn = new DataGridViewComboBoxColumn(); comboBoxColumn.Name = "Type"; comboBoxColumn.HeaderText = "타입"; comboBoxColumn.DataPropertyName = "Type"; comboBoxColumn.ReadOnly = false; comboBoxColumn.Visible = true; comboBoxColumn.Items.AddRange("Both", "A", "B"); this.dataGridView.Columns.Add(comboBoxColumn); textBoxColumn = new DataGridViewTextBoxColumn(); textBoxColumn.Name = "Value1"; textBoxColumn.HeaderText = "Value1"; textBoxColumn.DataPropertyName = "Value1"; textBoxColumn.ReadOnly = true; textBoxColumn.Visible = false; this.dataGridView.Columns.Add(textBoxColumn); textBoxColumn = new DataGridViewTextBoxColumn(); textBoxColumn.Name = "Value2"; textBoxColumn.HeaderText = "Value2"; textBoxColumn.DataPropertyName = "Value2"; textBoxColumn.ReadOnly = true; textBoxColumn.Visible = false; this.dataGridView.Columns.Add(textBoxColumn); } #endregion } } |
