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내 radgrid은 다음과 같다 :Telerik RadGrid -> 바닥 글에있는 (nvarchar) 열의 SUM은 어떻게됩니까? (telerik)
이<telerik:RadGrid ID="grdUsers" runat="server" GridLines="None" Skin="Vista" DataSourceID="sdsUsers"
AllowPaging="True" AutoGenerateColumns="False" OnItemCommand="grdUsers_ItemCommand"
Width="900px" AllowSorting="True" PageSize="20">
<MasterTableView AutoGenerateColumns="False" DataKeyNames="ID" DataSourceID="sdsUsers">
<DetailTables>
<telerik:GridTableView runat="server" DataKeyNames="ID,User_ID" DataSourceID="sdsDownload"
ShowFooter="True">
<ParentTableRelation>
<telerik:GridRelationFields DetailKeyField="User_ID" MasterKeyField="ID" />
</ParentTableRelation>
<CommandItemSettings ExportToPdfText="Export to Pdf" />
<RowIndicatorColumn FilterControlAltText="Filter RowIndicator column">
<HeaderStyle Width="20px" />
</RowIndicatorColumn>
<ExpandCollapseColumn FilterControlAltText="Filter ExpandColumn column">
<HeaderStyle Width="20px" />
</ExpandCollapseColumn>
<Columns>
<telerik:GridBoundColumn DataField="ID" DataType="System.Int32" FilterControlAltText="Filter ID column"
HeaderText="ID" ReadOnly="True" SortExpression="ID" UniqueName="ID">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="User_ID" DataType="System.Int32" FilterControlAltText="Filter User_ID column"
HeaderText="User_ID" SortExpression="User_ID" UniqueName="User_ID">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="FileSize" FilterControlAltText="Filter FileSize column"
HeaderText="FileSize" SortExpression="FileSize" UniqueName="FileSize" Aggregate="Sum">
</telerik:GridBoundColumn>
</Columns>
<EditFormSettings>
<EditColumn FilterControlAltText="Filter EditCommandColumn column">
</EditColumn>
</EditFormSettings>
</telerik:GridTableView>
</DetailTables>
<CommandItemSettings ExportToPdfText="Export to Pdf"></CommandItemSettings>
<RowIndicatorColumn FilterControlAltText="Filter RowIndicator column">
<HeaderStyle Width="20px"></HeaderStyle>
</RowIndicatorColumn>
<ExpandCollapseColumn FilterControlAltText="Filter ExpandColumn column" Visible="True">
<HeaderStyle Width="20px"></HeaderStyle>
</ExpandCollapseColumn>
<Columns>
<telerik:GridBoundColumn DataField="ID" FilterControlAltText="Filter ID column" HeaderText="ID"
SortExpression="ID" UniqueName="ID">
<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" />
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="FirstName" FilterControlAltText="Filter FirstName column"
HeaderText="FirstName" SortExpression="FirstName" UniqueName="FirstName">
<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" />
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
</telerik:GridBoundColumn>
</Columns>
<EditFormSettings>
<EditColumn FilterControlAltText="Filter EditCommandColumn column">
</EditColumn>
</EditFormSettings>
</MasterTableView>
<FilterMenu EnableImageSprites="False">
</FilterMenu>
<HeaderContextMenu CssClass="GridContextMenu GridContextMenu_Default">
</HeaderContextMenu>
</telerik:RadGrid>
이 두 테이블 (하나 개의 마스터와 하나 개의 세부 사항)와 계층 그리드입니다.
(FileSize)라는 세부 테이블의 열이 있습니다!
내 데이터베이스의이 열은 nvarchar (50)이며 세부 테이블의 바닥 글에 파일 크기의 합계가 필요합니다.
하지만이 세부 테이블에서 바닥 글을 설정하고 합계를 FileSize Column의 집계를 설정 한 후에는 개체 값의 합계를 가질 수 없다는 오류가 나타납니다.
FileSize Column을 합한 방법이 있습니까?