/// <summary>
/// 绑定LookUpEdit
/// </summary>
/// <param name="dt">数据集合</param>
/// <param name="lst">LookUpEdit控件</param>
/// <param name="needQingXuanZ">是否需要请选择</param>
public static void BindDropDownList(DataTable dt, LookUpEdit lst, bool needQingXuanZ, int dropDownRows)
{
if (dt.Columns.Count > 2)
{
return;
}
if (dt.Columns.Count == 1)
{
dt = ConvertHelper.AddColumn(dt);
}
if (needQingXuanZ)
{
DataRow dr = dt.NewRow();
dr[0] = "--请选择--";
dr[1] = "-99999";
dt.Rows.InsertAt(dr, 0);
}
lst.Properties.DataSource = dt;
lst.Properties.DisplayMember = dt.Columns[0].ColumnName;
lst.Properties.ValueMember = dt.Columns[1].ColumnName;
lst.Properties.Columns.Clear();
lst.Properties.Columns.Add(new LookUpColumnInfo(dt.Columns[0].ColumnName, 80));
lst.Properties.ShowHeader = false;
lst.Properties.ShowFooter = false;
lst.Properties.NullText = "";
lst.Properties.PopupFormMinSize = new System.Drawing.Size(10, 10);
lst.Properties.BestFitMode = BestFitMode.BestFitResizePopup; //下拉框在第二个Tab页时，BestFit()不能显示全部
lst.Properties.PopupWidth = lst.Properties.BestFit(); //BestFitMode只在第一次弹出下拉框时生效，特殊情况不能满足
lst.Properties.DropDownRows = dropDownRows;
if (dt.Rows.Count > 0)
{
lst.Properties.ForceInitialize();
lst.ItemIndex = 0;
}
}