public class ClassDataGridRefresh

{ public ClassDataGridRefresh() { }

#region DataGrid刷新

/// <summary>

/// DataGrid刷新 /// </summary> /// <param name="DG">DataGrid控件</param> /// <param name="DV">DataView数据源</param> /// <param name="m_strWidth">各列列宽，使用分号“;”分隔</param> /// <param name="m_strHidden">隐藏列，使用分号“;”分隔</param> public static void RefreshDataGrid(System.Windows.Forms.DataGrid DG, System.Data.DataView DV, string m_strWidth, string m_strHidden) { try { RefreshDataGrid(DG, DV, m_strWidth, m_strHidden, true); } catch(Exception ex) { System.Windows.Forms.MessageBox.Show(ex.Message.ToString(),"DataGrid刷新错误"); } }

/// <summary>

/// DataGrid刷新 /// </summary> /// <param name="DG">DataGrid控件</param> /// <param name="DV">DataView数据源</param> /// <param name="m_strWidth">各列列宽，使用分号“;”分隔</param> /// <param name="m_strHidden">隐藏列，使用分号“;”分隔</param> /// <param name="m_blnIsReDraw">是否每次都重新刷新列头</param> public static void RefreshDataGrid(System.Windows.Forms.DataGrid DG, System.Data.DataView DV, string m_strWidth, string m_strHidden, bool m_blnIsReDraw) { try { int i; int numCols; System.Windows.Forms.DataGridTableStyle ts = new System.Windows.Forms.DataGridTableStyle(); //就是它决定了datagrid是什么样的 System.Windows.Forms.DataGridTextBoxColumn aColumnTextColumn; //要重写的东东 System.Windows.Forms.DataGridBoolColumn aColumnBoolColumn; //要重写的东东

string[] ColumnWidths = m_strWidth.Split(';');

string[] strHiddens = m_strHidden.Split(';');

numCols = DV.Table.Columns.Count;

if (m_blnIsReDraw == true)

{ foreach(string strHiddenTemp in strHiddens) { if (strHiddenTemp.Length > 0) { DV.Table.Columns[strHiddenTemp].ColumnMapping = System.Data.MappingType.Hidden; } }

DG.Font = new System.Drawing.Font("宋体",10,System.Drawing.FontStyle.Regular);

}

DG.DataSource = DV;

if (m_blnIsReDraw == true)

{ ts.MappingName = DV.Table.TableName;

for(i=0;i<numCols;i++) // 重绘所有的列

{ switch (DV.Table.Columns[i].DataType.Name) { case "Boolean": //bool Column aColumnBoolColumn =new System.Windows.Forms.DataGridBoolColumn(); //要更改列头名，请改下句的HeaderText值 aColumnBoolColumn.HeaderText = DV.Table.Columns[i].ColumnName; aColumnBoolColumn.MappingName = DV.Table.Columns[i].ColumnName;

if (ColumnWidths.Length > i)

{ aColumnBoolColumn.Width = (int) (Convert.ToDouble(ColumnWidths[i]) * 50); }

ts.GridColumnStyles.Add(aColumnBoolColumn); //增加一种自定义的column风格

break;

default: //Default (Text) Column

aColumnTextColumn =new System.Windows.Forms.DataGridTextBoxColumn(); //要更改列头名，请改下句的HeaderText值 aColumnTextColumn.HeaderText = DV.Table.Columns[i].ColumnName; aColumnTextColumn.MappingName = DV.Table.Columns[i].ColumnName;

if (ColumnWidths.Length > i)

{ aColumnTextColumn.Width = (int) (Convert.ToDouble(ColumnWidths[i]) * 50); }

ts.GridColumnStyles.Add(aColumnTextColumn); //增加一种自定义的column风格

break;

} } DG.TableStyles.Clear(); DG.TableStyles.Add(ts); } } catch(Exception ex) { System.Windows.Forms.MessageBox.Show(ex.Message.ToString(),"DataGrid刷新错误"); } } #endregion }

本文转自94cool博客园博客，原文链接：http://www.cnblogs.com/94cool/archive/2009/09/09/1563035.html，如需转载请自行联系原作者