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标题: 【求助】checkboxlist动态绑定数据后,SelectedValueArray 无法更新 [打印本页]

作者: sam.chang 时间: 2014-9-4 21:28
标题: 【求助】checkboxlist动态绑定数据后,SelectedValueArray 无法更新
本帖最后由 sam.chang 于 2014-9-4 21:50 编辑

aspx页面

<f:CheckBoxList ID="cblschoollevel" runat="server" Label="学校类别限制" ColumnNumber="3" Required="True">
</f:CheckBoxList>

c#                List<SchoolLevel> levels = db.SchoolLevelSet.ToList();
               this.cblschoollevel.DataTextField = "LevelName";
                  this.cblschoollevel.DataValueField = "SchoolLevelID";
                  this.cblschoollevel.DataSource = levels;
                  this.cblschoollevel.DataBind();

                  this.cblschoollevel.SelectedValueArray = new string[] { "2","3" };       //ArrayHelper.StringToArray(ce.SchoolLevels);

SelectedValueArray 无法更新，2,3两个ID都是存在的，4.06版

作者: sam.chang 时间: 2014-9-4 21:57
改成这种方式，就可以了，好奇怪啊。
foreach (SchoolLevel sl in levels)
                  {
                     this.cblschoollevel.Items.Add(new CheckItem(sl.LevelName,sl.SchoolLevelID.ToString()));
                  }
this.cblschoollevel.SelectedValueArray = ArrayHelper.StringToArray(ce.SchoolLevels);

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