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我有一个简单的网页，将在 ultrawebgrid 中显示数据。该页面在开始时运行良好，直到我更改下拉列表的值。在下拉列表中选择新值后，其他列不会显示。下面是我在 ultrawebgrid ASP.Net 上的代码：

<igtbl:UltraGridBand AllowColSizing="Free">
                    <Columns>
                        <igtbl:UltraGridColumn BaseColumnName="CONTAINERID" IsBound="True" Key="CONTAINERID"
                            Hidden="true">
                            <Header Caption="CONTAINERID">
                                <RowLayoutColumnInfo OriginX="1" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="1" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="WIPLOTHISTORYID" IsBound="True" Key="WIPLOTHISTORYID"
                            Hidden="true">
                            <Header Caption="WIPLOTHISTORYID">
                                <RowLayoutColumnInfo OriginX="1" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="1" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="WIPTRACKINGGROUPKEYID" IsBound="True" Key="WIPTRACKINGGROUPKEYID"
                            Hidden="true">
                            <Header Caption="WIPTRACKINGGROUPKEYID">
                                <RowLayoutColumnInfo OriginX="2" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="2" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="SPECID" IsBound="True" Key="SPECID" Hidden="true">
                            <Header Caption="SPECID">
                                <RowLayoutColumnInfo OriginX="3" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="3" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="insertionnumber" Key="insertionnumber"
                            Width="65px">
                            <Header Caption="Insertion #">
                                <RowLayoutColumnInfo OriginX="4" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="4" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="insertionreasonname" Key="insertionreasonname"
                            Width="150px">
                            <Header Caption="Insertion Reason">
                                <RowLayoutColumnInfo OriginX="5" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="5" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="Operation" IsBound="True" Key="Operation"
                            Width="200px" Hidden="True">
                            <Header>
                                <RowLayoutColumnInfo OriginX="6" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="6" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="Transaction Information" IsBound="True" Key="Transaction Information"
                            Width="200px">
                            <Header Caption="Transaction Information">
                                <RowLayoutColumnInfo OriginX="7" />
                            </Header>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="7" />
                            </Footer>
                        </igtbl:UltraGridColumn>
                        <igtbl:TemplatedColumn Width="280px">
                            <Header Caption="Details">
                                <RowLayoutColumnInfo OriginX="8"></RowLayoutColumnInfo>
                            </Header>
                            <CellTemplate>
                                <table style="vertical-align: middle; width: 100%">
                                    <tr>
                                        <td valign="middle" style="width: 75%">
                                            <div>
                                                <%# Eval("Details").ToString().Replace("break", "<br/>") %></div>
                                        </td>
                                        <td valign="middle" style="width: 25%">
                                            <div style="text-decoration: Underline">
                                                <%# Eval("Values").ToString().Replace("break", "<br/>")%></div>
                                        </td>
                                    </tr>
                                </table>
                            </CellTemplate>
                            <Footer>
                                <RowLayoutColumnInfo OriginX="8"></RowLayoutColumnInfo>
                            </Footer>
                        </igtbl:TemplatedColumn>
                        <igtbl:UltraGridColumn BaseColumnName="Status" Key="Status" Hidden="true">
                            <Header Caption="Lot Status">

                                <RowLayoutColumnInfo OriginX="9" />

                            </Header>



                            <Footer>
                                <RowLayoutColumnInfo OriginX="9" />
                            </Footer>



                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="Date" DataType="System.DateTime" IsBound="True"
                            Width="150px" Key="Date">
                            <Header Caption="Date">

                                <RowLayoutColumnInfo OriginX="10" />

                            </Header>

                            <Footer>
                                <RowLayoutColumnInfo OriginX="7" />
                            </Footer>


                        </igtbl:UltraGridColumn>
                    </Columns>
                    <AddNewRow Visible="NotSet" View="NotSet">
                    </AddNewRow>
                </igtbl:UltraGridBand>

我在 C# 上的代码是：

ddlInsertion.Items.Clear();
            sqldsInsertionCount.SelectCommand = "SELECT containerid , w.insertionnumber FROM (SELECT wipdata.containerid, wipdata.insertionnumber FROM (SELECT DISTINCT c.containerid , wl.insertionnumber FROM container c JOIN a_wiplot wl ON c.containerid = wl.containerid JOIN a_wiplotdetails wld ON wld.wiplotid = wl.wiplotid JOIN a_wiplotdetailsdata wldd ON wldd.wiplotdetailsid = wld.wiplotdetailsid WHERE c.containername = '" + txtLot.Text + "' AND wl.wiptrackinggroupkeyid = '" + wipkey.ToString() + "' AND wldd.iswaferdata = 0 AND wldd.wipdatanamename != 'WAFER SCRIBE ID')wipdata GROUP BY wipdata.containerid , wipdata.insertionnumber UNION ALL SELECT wipdata.containerid , wipdata.insertionnumber FROM (SELECT DISTINCT c.containerid , wl.insertionnumber FROM CONTAINER c JOIN a_wiplothistory wl ON c.containerid = wl.containerid JOIN a_wiplotdetailshistory wld ON wld.wiplothistoryid = wl.wiplothistoryid JOIN a_wiplotdetailsdatahistory wldd ON wldd.wiplotdetailshistoryid = wld.wiplotdetailshistoryid WHERE c.containername = '" + txtLot.Text + "' AND wl.wiptrackinggroupkeyid = '" + wipkey.ToString() + "' AND wldd.iswaferdata = 0 AND wldd.wipdatanamename != 'WAFER SCRIBE ID' )wipdata GROUP BY wipdata.containerid , wipdata.insertionnumber)w GROUP BY w.containerid , w.insertionnumber ORDER BY w.insertionnumber DESC";
            ddlInsertion.Items.Insert(0, new System.Web.UI.WebControls.ListItem("%", "%"));

            uwgDataCollection.Clear();            

            uwgDataCollection.DataSourceID = whdsDataCollection.ID;
            uwgDataCollection.DataBind();
            uwgDataCollection.ExpandAll();
            CustomizeColumns(txtSpec.Text.Substring(0, 4));
            ExpirePageCache();

再次感谢大家的帮助:)

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1 回答 1

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事实证明，.Clear() 语句删除了网格上的所有波段。一旦我尝试删除它，一切都运行顺利。感谢 alhalama 对此发表评论。我欠你啤酒人:)

于 2013-04-09T00:59:26.450 回答