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我的页面中有一个基础设施 webdatagrid，在该页面的顶部，我有一个带有 2 个按钮的 webdatamenu，一个用于刷新页面，另一个用于保存网格中的数据。我正在做的是日程安排。这是我的网络数据网格..

 <ig:WebDataGrid ID="WebDataGridPlaneamentoHorarios"  Visible="false" runat="server" Height="500px" 
    AutoGenerateColumns="False" Width="1300px" BorderColor="#666666" 
        ShowFooter="True"  EnableDataViewState="True" >
  <Columns>
  <ig:BoundDataField DataFieldName="Numero" Key="Numero" Width="100px" Hidden="false">
  <Header Text="Número" />
  </ig:BoundDataField>
  <ig:BoundDataField DataFieldName="Nome" Key="Nome"  Width="100px">
     <Header Text="Nome" />
  </ig:BoundDataField> 
  <ig:BoundDataField DataFieldName="Descricao" Key="Descricao" Width="150px" Hidden="false">
     <Header Text="Profissão" />
     <Footer TemplateId="footerTemplate"   />
  </ig:BoundDataField>
  <ig:TemplateDataField Key="Segmentos" Width="1510px" Hidden="False">
     <ItemTemplate>
        <uc1:Segmento ID="Segmento1" runat="server" />
     </ItemTemplate>
     <HeaderTemplate >
          <uc5:HeaderControl  ID="SegHed" runat="server"/>
     </HeaderTemplate>
     <FooterTemplate >
          <div id="Quant" runat="server"> <uc2:SegNecessidades ID="SegNecessidades" runat="server" /></div>
           <br /><br /> <div  id="Totais" runat="server"><uc2:SegNecessidades ID="SegNecessidades2" runat="server" /></div>
                <br /><br /> 
     </FooterTemplate>
   </ig:TemplateDataField>

        <ig:BoundDataField DataFieldName="IDProfissao"  Width="50px" Hidden="true" Key="IDProfissao">
            <Header Text="IDProfissão" />
        </ig:BoundDataField>

    </Columns>
    <Templates>
        <ig:ItemTemplate ID="WebDataGridPlaneamentoHorariosTemplate2"  runat="server" 
            TemplateID="footerTemplate">
            <Template >
            <uc3:FooterControl ID="FooterC" runat="server" />
            </Template> 
        </ig:ItemTemplate>
      </Templates>
</ig:WebDataGrid>

一切正常，刷新时，数据已加载...问题是当我尝试保存更改时...

protected void WebDataMenuOptions_ItemClick(object sender, Infragistics.Web.UI.NavigationControls.DataMenuItemEventArgs e)
    {
    if (e.Item.Key == "btnRefrescar")
        {
        foreach (GridRecord row in WebDataGridPlaneamentoHorarios.Rows)
                {
                    GridRecordItem itm = row.Items[3];
                    string id = row.Items[0].Text;
                    Control control = itm.FindControl("Segmento1");
                    DataTable DTblHorarioById = dbcHorariosEscalas.GetHorarioById(id, dt);
                    Segmentos seg = (Segmentos)control;
                    seg.AddSegmento(id, DTblHorarioById);
                    //this is to load the schedule of the user,,,,
                }

        }
    else if(e.Item.Key == "btnGuardar")
        {
               foreach (GridRecord row in WebDataGridPlaneamentoHorarios.Rows)
                {
                    GridRecordItem itm = row.Items[3];
                    string id = row.Items[0].Text;
                    Control control = itm.FindControl("Segmento1");
               }
        }

}

所以两个按钮中的代码是相同的，我试图找到名为 Segmento1 的用户控件，即在第 4 列中......现在代码在按下刷新按钮时工作，找到用户控件，但是当我按下按钮保存，控件为空......有什么问题......我对此很生气，因为昨天它正在工作，然后今天它停止了，我认为这是代码工作时的编程问题之一，并且停止工作只是因为他想要..

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