动态绑定DataGridView列类型

功能简介：  此方法可以自动生成隐藏列，日期列(DateTimePicker)，Bool列(CheckBox)，选择列(ComboBox)，图片列。 //from:http://www.chinaaspx.com/comm/technet/Showtopic.aspx?Forum_ID=6&id=242050&Page=1

/// <summary>     /// 日期列类     /// </summary>     public class CalendarColumn : DataGridViewColumn     {         /// <summary>         /// 构造         /// </summary>         public CalendarColumn()             : base(new CalendarCell())         {         }         /// <summary>         /// 重写         /// </summary>         public override DataGridViewCell CellTemplate         {             get             {                 return base.CellTemplate;             }             set             {                 // Ensure that the cell used for the template is a CalendarCell.                 if (value != null &&                     !value.GetType().IsAssignableFrom(typeof(CalendarCell)))                 {                     throw new InvalidCastException("Must be a CalendarCell");                 }                 base.CellTemplate = value;             }         }     }     /// <summary>     /// 日期列值类     /// </summary>     public class CalendarCell : DataGridViewTextBoxCell     {         /// <summary>         /// 构造         /// </summary>         public CalendarCell()             : base()         {             // Use the short date format.             this.Style.Format = "d";         }         /// <summary>         ///  重写         /// </summary>         /// <param name="rowIndex"></param>         /// <param name="initialFormattedValue"></param>         /// <param name="dataGridViewCellStyle"></param>         public override void InitializeEditingControl(int rowIndex, object             initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)         {                 // Set the value of the editing control to the current cell value.                 base.InitializeEditingControl(rowIndex, initialFormattedValue,                     dataGridViewCellStyle);                 CalendarEditingControl ctl =                     DataGridView.EditingControl as CalendarEditingControl;                 ctl.Text = this.Value.ToString();                 //ctl.Value = (DateTime)this.Value;         }         /// <summary>         /// EditType         /// </summary>         public override Type EditType         {             get             {                 // Return the type of the editing contol that CalendarCell uses.                 return typeof(CalendarEditingControl);             }         }         /// <summary>         /// ValueType         /// </summary>         public override Type ValueType         {             get             {                 // Return the type of the value that CalendarCell contains.                 return typeof(DateTime);             }         }         /// <summary>         /// DefaultNewRowValue         /// </summary>         public override object DefaultNewRowValue         {             get             {                 // Use the current date and time as the default value.                 return DateTime.Now;             }         }     }     /// <summary>     /// 日期列编辑类     /// </summary>     public class CalendarEditingControl : DateTimePicker, IDataGridViewEditingControl     {         DataGridView dataGridView;         private bool valueChanged = false;         int rowIndex;         /// <summary>         /// CalendarEditingControl         /// </summary>         public CalendarEditingControl()         {             this.Format = DateTimePickerFormat.Short;         }         // Implements the IDataGridViewEditingControl.EditingControlFormattedValue          // property.         /// <summary>         /// EditingControlFormattedValue         /// </summary>         public object EditingControlFormattedValue         {             get             {                 return this.Value.ToShortDateString();             }             set             {                 if (value is String)                 {                     this.Value = DateTime.Parse((String)value);                 }             }         }         // Implements the          // IDataGridViewEditingControl.GetEditingControlFormattedValue method.         /// <summary>         /// GetEditingControlFormattedValue         /// </summary>         /// <param name="context"></param>         /// <returns></returns>         public object GetEditingControlFormattedValue(             DataGridViewDataErrorContexts context)         {             return EditingControlFormattedValue;         }         // Implements the          // IDataGridViewEditingControl.ApplyCellStyleToEditingControl method.         /// <summary>         /// ApplyCellStyleToEditingControl         /// </summary>         /// <param name="dataGridViewCellStyle"></param>         public void ApplyCellStyleToEditingControl(             DataGridViewCellStyle dataGridViewCellStyle)         {             this.Font = dataGridViewCellStyle.Font;             this.CalendarForeColor = dataGridViewCellStyle.ForeColor;             this.CalendarMonthBackground = dataGridViewCellStyle.BackColor;         }         // Implements the IDataGridViewEditingControl.EditingControlRowIndex          // property.         /// <summary>         /// EditingControlRowIndex         /// </summary>         public int EditingControlRowIndex         {             get             {                 return rowIndex;             }             set             {                 rowIndex = value;             }         }         // Implements the IDataGridViewEditingControl.EditingControlWantsInputKey          // method.         /// <summary>         /// EditingControlWantsInputKey         /// </summary>         /// <param name="key"></param>         /// <param name="dataGridViewWantsInputKey"></param>         /// <returns></returns>         public bool EditingControlWantsInputKey(             Keys key, bool dataGridViewWantsInputKey)         {             // Let the DateTimePicker handle the keys listed.             switch (key & Keys.KeyCode)             {                 case Keys.Left:                 case Keys.Up:                 case Keys.Down:                 case Keys.Right:                 case Keys.Home:                 case Keys.End:                 case Keys.PageDown:                 case Keys.PageUp:                     return true;                 default:                     return false;             }         }         // Implements the IDataGridViewEditingControl.PrepareEditingControlForEdit          // method.         /// <summary>         /// PrepareEditingControlForEdit         /// </summary>         /// <param name="selectAll"></param>         public void PrepareEditingControlForEdit(bool selectAll)         {             // No preparation needs to be done.         }         // Implements the IDataGridViewEditingControl         // .RepositionEditingControlOnValueChange property.         /// <summary>         /// RepositionEditingControlOnValueChange         /// </summary>         public bool RepositionEditingControlOnValueChange         {             get             {                 return false;             }         }         // Implements the IDataGridViewEditingControl         // .EditingControlDataGridView property.         /// <summary>         /// EditingControlDataGridView         /// </summary>         public DataGridView EditingControlDataGridView         {             get             {                 return dataGridView;             }             set             {                 dataGridView = value;             }         }         // Implements the IDataGridViewEditingControl         // .EditingControlValueChanged property.         /// <summary>         /// EditingControlValueChanged         /// </summary>         public bool EditingControlValueChanged         {             get             {                 return valueChanged;             }             set             {                 valueChanged = value;             }         }         // Implements the IDataGridViewEditingControl         // .EditingPanelCursor property.         /// <summary>         /// EditingPanelCursor         /// </summary>         public Cursor EditingPanelCursor         {             get             {                 return base.Cursor;             }         }         /// <summary>         /// OnValueChanged         /// </summary>         /// <param name="eventargs"></param>         protected override void OnValueChanged(EventArgs eventargs)         {             // Notify the DataGridView that the contents of the cell             // have changed.             valueChanged = true;             this.EditingControlDataGridView.NotifyCurrentCellDirty(true);             base.OnValueChanged(eventargs);         }     }         /// <summary>         /// 刷新DataGridView                         /// </summary>         /// <param name="dg">DataGridView名</param>         /// <param name="sql">SQL语句</param>         /// <param name="HideCols">隐藏列</param>         /// <param name="DateCols">日期列</param>         /// <param name="BoolCols">Bool列</param>         /// <param name="ImageCols">图像列</param>         /// <param name="ComboBoxCols">下拉列</param>         /// <param name="Split">下拉列内容分隔符</param>         public static void ReFlashGrid(DataGridView dg, string sql, string HideCols, string DateCols, string BoolCols,string ImageCols, string ComboBoxCols,char Split)         {             try             {                 dg.Rows.Clear();                 dg.Columns.Clear();                 DataSet ds = new DataSet();                 ds = DBbind(sql);                 dg.AutoGenerateColumns = true;                                  //dg.ColumnHeadersBorderStyle =             //DataGridViewHeaderBorderStyle.Single;                 //dg.CellBorderStyle = DataGridViewCellBorderStyle.Single;                 //dg.RowHeadersVisible = false;                 dg.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None;                 dg.EditMode = DataGridViewEditMode.EditOnEnter;                 //dg.DataMember = ds.Tables[0].TableName;                 dg.AutoResizeRowHeadersWidth(            DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders);                 dg.Sorted += new EventHandler(dg_Sorted);                 dg.DataError+=new DataGridViewDataErrorEventHandler(dg_DataError);                 dg.ShowCellErrors = false;                 dg.MultiSelect = false;                 string[] tmpHide = HideCols.Split(',');                 string[] tmpDate = DateCols.Split(',');                 string[] tmpBool = BoolCols.Split(',');                 string[] tmpCombo = ComboBoxCols.Split(',');                 string[] tmpImage = ImageCols.Split(',');                 for (int i = 0; i < ds.Tables[0].Columns.Count; i++)                 {                     for (int j = 0; j < tmpDate.Length; j++)                     {                         if (ds.Tables[0].Columns[i].Caption.ToLower().Trim() == tmpDate[j].ToLower().Trim())                         {                             dg.Columns.Add(new CalendarColumn());                             dg.Columns[i].Name = ds.Tables[0].Columns[i].Caption;                             dg.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.None;                                                          break;                         }                     }                     if (dg.Columns.Count == i + 1)                         continue;                     for (int j = 0; j < tmpImage.Length; j++)                     {                         if (ds.Tables[0].Columns[i].Caption.ToLower().Trim() == tmpImage[j].ToLower().Trim())                         {                             dg.Columns.Add(new DataGridViewImageColumn());                             dg.Columns[i].Name = ds.Tables[0].Columns[i].Caption;                             dg.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.None;                             break;                         }                     }                     if (dg.Columns.Count == i + 1)                         continue;                     for (int j = 0; j < tmpBool.Length; j++)                     {                         if (ds.Tables[0].Columns[i].Caption.ToLower().Trim() == tmpBool[j].ToLower().Trim())                         {                             dg.Columns.Add(new DataGridViewCheckBoxColumn());                             dg.Columns[i].Name = ds.Tables[0].Columns[i].Caption;                             dg.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.None;                             break;                         }                     }                     if (dg.Columns.Count == i + 1)                         continue;                     for (int j = 0; j < tmpCombo.Length; j++)                     {                         if (ds.Tables[0].Columns[i].Caption.ToLower().Trim() == tmpCombo[j].ToLower().Trim())                         {                             dg.Columns.Add(new DataGridViewComboBoxColumn());                             dg.Columns[i].Name = ds.Tables[0].Columns[i].Caption;                             dg.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.None;                             break;                         }                     }                     if (dg.Columns.Count == i + 1)                     {                         continue;                     }                     else                     {                         dg.Columns.Add(ds.Tables[0].Columns[i].Caption, ds.Tables[0].Columns[i].Caption);                     }                 }                 for (int i = 0; i < dg.Columns.Count; i++)                 {                     for (int j = 0; j < tmpHide.Length; j++)                     {                         if (dg.Columns[i].Name.ToLower().Trim() == tmpHide[j].ToLower().Trim())                         {                             dg.Columns[i].Visible = false;                         }                     }                 }                 for (int i = 0; i < ds.Tables[0].Rows.Count; i++)                 {                     dg.Rows.Add();                     dg.Rows[i].HeaderCell.Value = Convert.ToString(i + 1);                     for (int j = 0; j < dg.Columns.Count; j++)                     {                         bool iscombo = false;                                                 for (int k = 0; k < tmpCombo.Length; k++)                         {                             if (dg.Columns[j].Name.ToLower().Trim() == tmpCombo[k].ToLower().Trim())                             {                                 object[] tmpargs = ds.Tables[0].Rows[i][j].ToString().Split(Split);                                 DataGridViewComboBoxCell aa = new DataGridViewComboBoxCell();                                 aa.DataSource = tmpargs;                                 dg[j, i] = aa;                                 if (tmpargs.Length >= 1)                                 {                                     dg[j, i].Value = tmpargs[0];                                 }                                 iscombo = true;                                 break;                             }                             if (iscombo == false)                             {                                 if (dg.Columns[j].CellType.Name == "DataGridViewTextBoxCell")                                 {                                      dg[j, i].Value = ds.Tables[0].Rows[i][j].ToString();                                 }                                 else                                 {                                     dg[j, i].Value = ds.Tables[0].Rows[i][j];                                 }                                                              }                         }                     }                 }             }             catch (Exception eee)             {                 MessageBox.Show(eee.Message);             }         }         static void dg_Sorted(object sender, EventArgs e)         {             try             {                 for (int i = 0; i < ((DataGridView)sender).Rows.Count;i++ )                 {                     ((DataGridView)sender).Rows[i].HeaderCell.Value = Convert.ToString(i + 1);                 }             }             catch             {}         }         static void dg_DataError(object sender, DataGridViewDataErrorEventArgs e)         {             return;         } 调用方法：   Class.ReFlashGrid(this.dataGridView1, "select * from JC_家床建撤床","id,uid,jid","建床日期","","","",',');   注：   Class.ReFlashGrid()方法里的DataSet自己写数据库连接自行填充