如何在转发器中找到文本框控件 [英] how to find textbox control in repeater

问题描述

如何在其他转发器内部的转发器中查找文本框控件值并更新数据此转发器生成部门和其他转发器以生成具有其SALARY的员工，当我按保存订单时，它可以从文本框（SALARY）获取值并更新数据库中的数据

此代码用于生成数据和填充转发器

 私有  Sub  BindData（）
 尝试 
 dt = cls.rtv_All_Dep 
 rptCustomRepeater.DataSource = dt 
 rptCustomRepeater.DataBind（）
 
  Catch  
 结束 尝试 
 结束  Sub  
 受保护的  Sub  CustomInfoRepeater_ItemDataBound（sender 作为 对象，e  As  System.Web.UI .WebControls.RepeaterItemEventArgs）句柄 rptCustomRepeater.ItemDataBound 
 如果 e.Item.ItemType = ListItemType。项目然后 
 尝试 
 
  Dim  LabID 作为标签=  TryCast （e.Item.FindControl（  LabID），Label）
  Dim  lblManID  As  Label =  TryCast （e.Item.FindControl（  lblManID），标签）
  Dim  Repeater1  As  Repeater =  TryCast （e.Item.FindControl（  Repeater1），Repeater）
  Dim  depID 作为 整数 = LabID.Text 
 dt = cls.rtv_All_Emp（depID）
 Repeater1.DataSource = dt 
 Repeater1.DataBind（）
 
 
 
  Catch  
 结束 尝试 
 结束 如果 
 结束  Sub  

和这个HTML代码

 <   asp：Repeater     ID   =  rptCustomRepeater < span class =code-attribute>   runat   =  server >  
 <   HeaderTemplate  >  
 
 <   / HeaderTemplate  >  
 <   ItemTemplate  >  
 <  表    id   =  rptCustom >  
 <   tr     class   =  rptHeader >  
 <   th  >  DEPARTMENT_ID <   / th  >  
 <   th  >  DEPARTMENT_NAME <   / th  >  
 <   th  >  MANAGER_ID <   / th  >  
 <   / tr  >  
 <   tr     class   =  rptDataRows >  
 <   td  >  <   asp：标签    ID   =  LabID    runat   =  server   文字  ='  <％ #DataBinder.Eval（Container.DataItem，  DEPARTMENT_ID）％ >' >  <   / asp：标签 >  <   / td  >  
 <   td  >  <％ #DataBinder.Eval（Container.DataItem，  DEPARTMENT_NAME）％> <   / td  >  
 <   td  >  < span class =code-keyword><   asp：Label     ID   =  lblManID    runat   =  server      可见  =  false   文字  ='  <％＃DataBinder.Eval（Container.DataItem，  MANAGER_ID ）％>' >  <   / asp：标签 >  <   / td  >  
 <   td  >  <   asp：Label     ID   =  lblManName    runat   =  server   文字  =  >  <   / asp：标签 >  <   / td  >  
 <   / tr  >  
 <   / table  >  
 
 
 <   asp：Repeater     ID   =  Repeater1    runat   =  服务器 >  
 
 <   HeaderTemplate  >  <  表    id   =  rptEmp >  
 <   tr     class   =  rptHeader >  
 <   th  >  EmpID <   / th  >  
 <   th  >  Emp NAME <   / th  >  
 <   th  >  SALARY <   / th  >  
 <   / tr  >  <   / Heade rTemplate  >  
 <   ItemTemplate  >  
 
 
 <   tr     class   =  rptDataRows >  
 <   td  >  <   asp：标签    ID   =  LabID    runat   =  server   文字  ='  < ;％ #DataBinder.Eval（Container.DataItem，  EMPLOYEE_ID）％> ' >  <   / asp：标签 >  <   / td  >  
 <   td  >  
 <   asp：标签    ID   =  lblEmpFName    runat   =  server   文字  ='  <％＃DataBinder.Eval（Container.DataItem，  FIRST_NAME）％>'   >  <   / asp：标签 >  <   asp：标签   < span class =code-attribute> ID   =  lbl EmpSName    runat   =  server   文本  ='  <％＃DataBinder.Eval（Container.DataItem，  LAST_NAME）％>' >  <   / asp：Label  >  <   / td  >  
 <   td  >  
 <   asp：TextBox     ID   =  txtSALARY      runat   =  server     文字  ='  <％＃DataBinder.Eval（Container.DataItem，  SALARY）％>' >  <   / asp：TextBox  >  
 <   / td  >  
 <   / tr  >  
 
 
 
 
 <   / ItemTemplate  >  
 <   FooterTemplate  >  <   / table  >  
 --- -------------------------------------------------- -------------------------------------------------- ---------- 
 <   br     /  >  
 ----------------------------- -------------------------------------------------- ---------------------------------- 
 
 <   / FooterTemplate  >  
 
 <   / asp：Repeater  >  
 
 
 
 
 <   / ItemTemplate  >  
 <   FooterTemplate  >  
 
 <   / FooterTemplate  >  
 
 <   / asp：Repeater  >  
 <   asp：按钮    ID   =  Button1    runat   =   server   文字 < span class =code-keyword> = 按钮    /  >  

解决方案

像下面的东西。你需要遍历这些项目并找到 Salary 的控件。

  Dim  Repeater1  As  Repeater =  TryCast （e.Item.FindControl（  Repeater1），Repeater）
 
 对于 每个项在 Repeater1.Items 
 
  dim  txtSalary  As  TextBox =  TryCast （item.FindControl （  txtSALARY），TextBox）
 
 ' 执行此文本框值的任何操作。 
 
 下一步 

how to find text-box control value in repeater in inside other repeater and update data this repeater generate department and other repeater to generate Employees with their SALARY and when i press save batten it can take value from text-box( SALARY) and update data in DB
this code for generate the data and fill repeater

Private Sub BindData()
      Try
          dt = cls.rtv_All_Dep
          rptCustomRepeater.DataSource = dt
          rptCustomRepeater.DataBind()

      Catch
      End Try
  End Sub
  Protected Sub CustomInfoRepeater_ItemDataBound(sender As Object, e As System.Web.UI.WebControls.RepeaterItemEventArgs) Handles rptCustomRepeater.ItemDataBound
      If e.Item.ItemType = ListItemType.Item Then
          Try

              Dim LabID As Label = TryCast(e.Item.FindControl("LabID"), Label)
              Dim lblManID As Label = TryCast(e.Item.FindControl("lblManID"), Label)
              Dim Repeater1 As Repeater = TryCast(e.Item.FindControl("Repeater1"), Repeater)
              Dim depID As Integer = LabID.Text
              dt = cls.rtv_All_Emp(depID)
              Repeater1.DataSource = dt
              Repeater1.DataBind()



          Catch
          End Try
      End If
  End Sub

and this html code

<asp:Repeater ID="rptCustomRepeater" runat="server">
            <HeaderTemplate>
                
            </HeaderTemplate>
            <ItemTemplate>
                <table id="rptCustom">
                    <tr class="rptHeader">
                        <th>DEPARTMENT_ID</th>
                        <th>DEPARTMENT_NAME</th>
                        <th>MANAGER_ID</th>
                    </tr>
                <tr class="rptDataRows">
                    <td><asp:Label ID="LabID" runat="server" Text='<%#DataBinder.Eval(Container.DataItem, "DEPARTMENT_ID")%>'></asp:Label> </td>
                    <td><%#DataBinder.Eval(Container.DataItem, "DEPARTMENT_NAME")%> </td>
                    <td><asp:Label ID="lblManID" runat="server"  Visible="false" Text='<%#DataBinder.Eval(Container.DataItem,"MANAGER_ID")%>'></asp:Label></td>
                         <td><asp:Label ID="lblManName" runat="server" Text=""></asp:Label> </td>
            </tr>
                </table>
                
                       
                <asp:Repeater ID="Repeater1" runat="server">

                    <HeaderTemplate>  <table id="rptEmp">
                    <tr class="rptHeader">
                        <th>EmpID</th>
                        <th>Emp NAME</th>
                        <th>SALARY</th>
                    </tr></HeaderTemplate>
                    <ItemTemplate>

                       
                <tr class="rptDataRows">
                    <td><asp:Label ID="LabID" runat="server" Text='<%#DataBinder.Eval(Container.DataItem, "EMPLOYEE_ID")%>'></asp:Label> </td>
                    <td>
                         <asp:Label ID="lblEmpFName" runat="server" Text= '<%#DataBinder.Eval(Container.DataItem, "FIRST_NAME")%>' ></asp:Label>  <asp:Label ID="lblEmpSName" runat="server" Text='<%#DataBinder.Eval(Container.DataItem, "LAST_NAME")%>'></asp:Label></td>
                         <td>
                             <asp:TextBox ID="txtSALARY"  runat="server"  Text='<%#DataBinder.Eval(Container.DataItem, "SALARY")%>'></asp:TextBox>
                         </td>
            </tr>
                
                


                    </ItemTemplate>
                    <FooterTemplate></table>
                        -----------------------------------------------------------------------------------------------------------------
                        <br />
                        -----------------------------------------------------------------------------------------------------------------

                    </FooterTemplate>

                </asp:Repeater>



              
            </ItemTemplate>
            <FooterTemplate>
                
            </FooterTemplate>

        </asp:Repeater>
        <asp:Button ID="Button1" runat="server" Text="Button" />

解决方案

Something like below. You need to loop through the items and find the control for Salary.

Dim Repeater1 As Repeater = TryCast(e.Item.FindControl("Repeater1"), Repeater)

For Each item In Repeater1.Items

   dim txtSalary As TextBox = TryCast(item.FindControl("txtSALARY"), TextBox)

   ' Do whatever you want to do with this textbox value.

Next

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