/// <summary>
/// 设置GridLookUpEdit多列过滤
/// </summary>
/// <param name="repGLUEdit">GridLookUpEdit的知识库，eg:gridlookUpEdit.Properties</param>
private void SetGridLookUpEditMoreColumnFilter(DevExpress.XtraEditors.Repository.RepositoryItemGridLookUpEdit repGLUEdit)
{
repGLUEdit.EditValueChanging += (sender, e) =>
{
this.BeginInvoke(new System.Windows.Forms.MethodInvoker(() => {
GridLookUpEdit edit = sender as GridLookUpEdit;
DevExpress.XtraGrid.Views.Grid.GridView view = edit.Properties.View as DevExpress.XtraGrid.Views.Grid.GridView;
//获取GriView私有变量
System.Reflection.FieldInfo extraFilter = view.GetType().GetField("extraFilter", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
List <DevExpress.Data.Filtering.CriteriaOperator> columnsOperators = new List <DevExpress.Data.Filtering.CriteriaOperator>();
foreach (GridColumn col in view.VisibleColumns)
{
if (col.Visible && col.ColumnType == typeof(string))
{
columnsOperators.Add(new DevExpress.Data.Filtering.FunctionOperator(DevExpress.Data.Filtering.FunctionOperatorType.Contains,
new DevExpress.Data.Filtering.OperandProperty(col.FieldName),
new DevExpress.Data.Filtering.OperandValue(edit.Text)));
}
}
string filterCondition = new DevExpress.Data.Filtering.GroupOperator(DevExpress.Data.Filtering.GroupOperatorType.Or, columnsOperators).ToString();
extraFilter.SetValue(view, filterCondition);
//获取GriView中处理列过滤的私有方法
System.Reflection.MethodInfo ApplyColumnsFilterEx = view.GetType().GetMethod("ApplyColumnsFilterEx", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
ApplyColumnsFilterEx.Invoke(view, null);
}));
};
}