在gridview中的ajax选项卡容器中显示asp.net中的记录 [英] in ajax tab container in gridview shows the record in asp.net

问题描述

我的源页面代码如下

 <  < span class =code-leadattribute> ajaxToolkit：TabContainer     ID   =  TabContainer1    runat   =  server    ActiveTabIndex   =  0 < span class =code-keyword>>  
 <   ajaxToolkit：TabPanel     ID     =  tbfaculty    runat     =  server >  
 
 <   HeaderTemplate  >  
教师
 <   / HeaderTemplate  >  
 
 
 <   ContentTemplate  >  
 <   asp：Panel     id   =  pnlfac    runat   =  server    backcolor   = 白色    bordercolor     = 黑色    borderstyle   =  Solid    borderwidth   =  1px     height   = < span class =code-keyword> 144px >  
 <   asp：GridView     id   =  gvfaculty    runat   =  server     backcolor   = < span class =code-keyword> LightGoldenrodYellow    BorderColor   =  Tan   宽度  =  91px    autogeneratecolumns     =  False    ForeColor   = 黑色 < span class =code-keyword>>  
 <   FooterStyle     BackColor   =  Tan    /   >  
 <   HeaderStyle     BackColor   =  Tan    Font-Bol d   =  True    /  >  
 <   PagerStyle     BackColor   =  PaleGoldenrod    ForeColor   =  DarkSlateBlue    Horizo​​ntalAlign   = 中心    /  >  
 < span class =code-keyword><   SelectedRowStyle     BackColor   =  DarkSlateBlue    ForeColor   =  GhostWhite    /  >  
 <  列 >  
 <   asp：BoundField     DataField   = 教师姓名    HeaderText   = 教师姓名    /  >  
 
 
 <   asp：TemplateField     HeaderText  < span class =code-keyword> = 教师是否为他的主题做好了准备 > ;  
 <   ItemTemplate   >  
 <   asp：DropDownList     ID   =  DropDownList1     runat   =  server     AppendDataBoundItems   = < span class =code-keyword> true >  
 <   asp：ListItem    值  =   -  1 >   - 选择评分 -  <   / asp：ListItem  >  
 <   / asp：DropDownList   >  
 <   / ItemTemplate  >  
 <   / asp：TemplateField  >  
 
 
 < span class =code-keyword><   asp：TemplateField     HeaderText   = 他的演讲中是否响亮而清晰 >  
 <   ItemTemplate  >  
 <   asp：DropDownList     ID   = < span class =code-keyword> DropDow nList1    runat   =  server    AppendDataBoundItems   =  true >  
 <   asp：ListItem    值  =   -  1 >   - 选择评分 -  <   / asp：ListItem  < span class =code-keyword>>  
 <   / asp：DropDownList  >  
 < span class =code-keyword><   / ItemTemplate  >  
 <   / asp：TemplateField  >  

在标签容器中的运行模式下如下



教员

当我点击标签容器中的教员我想要显示gridview。





用于显示tab容器中的gridview内容我写了如下代码



protected void Page_Load（object sender，EventArgs e）

{

if（！IsPostBack）

{

试试

{

Facultybindgrid （）;

}

catch

{



}

} < br $>
}



private void Facultybindgrid（）

{

DataTable dt = new DataTable（）;

dt.Rows.Add（& quot; CPG& quot;）;

dt.Rows.Add（& quot; BSR& quot; ）;

gvfaculty.DataSource = dt;

gvfaculty.DataBind（）;

gvfaculty.Visible = true;

}



但是当我运行并点击标签容器中的教师时，gridview没有显示。



请帮助我。从上面的代码中我犯了什么错误。



问候

Jegan B

解决方案

您还没有在GridView中定义列，通过将 AutoGenerateColumns 设置为false将阻止自动生成列LY。最后你不会看到任何记录。

set AutoGenerateColumns =true

< asp：GridView id =gvfacultyrunat =serverbackcolor =LightGoldenrodYellowBorderColor =Tanwidth =91px autogeneratecolumns =true ForeColor =Black > 

My source page code as follows

<ajaxToolkit:TabContainer ID="TabContainer1" runat="server" ActiveTabIndex="0">
        <ajaxToolkit:TabPanel ID ="tbfaculty" runat ="server">

        <HeaderTemplate>
          Faculty
        </HeaderTemplate>


            <ContentTemplate>
           <asp:Panel id="pnlfac" runat="server" backcolor="White" bordercolor ="Black" borderstyle="Solid" borderwidth="1px" height="144px">
           <asp:GridView id="gvfaculty" runat="server" backcolor="LightGoldenrodYellow" BorderColor="Tan" width="91px" autogeneratecolumns = "False" ForeColor="Black">
           <FooterStyle BackColor="Tan" />
                    <HeaderStyle BackColor="Tan" Font-Bold="True" />
                    <PagerStyle BackColor="PaleGoldenrod" ForeColor="DarkSlateBlue" HorizontalAlign="Center" />
                    <SelectedRowStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />
                    <Columns>
                     <asp:BoundField DataField="Faculty Name" HeaderText="Faculty Name" />


              <asp:TemplateField HeaderText="Does the Faculty come well prepared for his subject">
                 <ItemTemplate>
                <asp:DropDownList ID="DropDownList1" runat="server" AppendDataBoundItems="true">
                <asp:ListItem Value="-1">--Select Rating --</asp:ListItem>
                </asp:DropDownList>
               </ItemTemplate>
        </asp:TemplateField>


         <asp:TemplateField HeaderText="Is he loud and clear in his speech">
                 <ItemTemplate>
                <asp:DropDownList ID="DropDownList1" runat="server" AppendDataBoundItems="true">
                <asp:ListItem Value="-1">--Select Rating --</asp:ListItem>
                </asp:DropDownList>
               </ItemTemplate>
        </asp:TemplateField>

in run mode in tab container as follows

Faculty
When i click the faculty in tab container i want to show the gridview.


for display the gridview content in tab container i written a code as follows

protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
try
{
Facultybindgrid();
}
catch
{

}
}
}

private void Facultybindgrid()
{
DataTable dt = new DataTable();
dt.Rows.Add(&quot;CPG&quot;);
dt.Rows.Add(&quot;BSR&quot;);
gvfaculty.DataSource = dt;
gvfaculty.DataBind();
gvfaculty.Visible = true;
}

but when i run and click the faculty in tab container the gridview is not displaying.

please help me.from my above code what is the mistake i made.

regards
Jegan B

解决方案

you haven't define columns in your GridView, by setting AutoGenerateColumns as false will prevent generating columns automatically. at the end you will not see any record.
set AutoGenerateColumns= "true"

<asp:GridView id="gvfaculty" runat="server" backcolor="LightGoldenrodYellow" BorderColor="Tan" width="91px" autogeneratecolumns = "true" ForeColor="Black">

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