获取当前的GridView列值 [英] Get current GridView column value

问题描述

我有一些列的GridView。所有的列都是绑定的：

 < asp：BoundField DataField =orderIdHeaderText =orderId
的SortExpression = 订单ID >< / ASP：绑定列> 
  

最后一栏是：

 < asp：LinkBut​​ton ID =LinkBut​​ton1runat =server
 CommandName =onclick =LinkBut​​ton1_ClickText =Button>< / asp：LinkBut​​ton> 
  

正如你所看到的，有一些方法是onclick..就像：

  lbltest.Text = gv_order.Rows [gv_order.SelectedIndex] .Cells [2] .Text; 
  

通过这段代码，我得到了（offcourse）我在单元格编号为2的选定行上所拥有的内容。我可以从同一行（并从单元格编号2）中获取值，而单击该按钮时没有自选行？例如：当我点击第2行上的按钮 - 我得到该行的单元格2。

这可能吗？

CommandName ， CommandArgument 属性和 OnRowCommand 这样的事件：

 < asp：GridView（...）OnRowCommand =Gv_RowCommand（...）> 
 
 
 
< asp：LinkBut​​ton ID =LinkBut​​ton1runat =serverCommandName =Select
 CommandArgument ='<％＃绑定（orderId）％>'文本=按钮>< / asp：LinkBut​​ton> 
  

以及后面的代码：

<$ p $
{
if（e.CommandName ==Select）
{
int selectedOrderId = Convert.ToInt32（e.CommandArgument）;
// ...
}
}


我希望这是你想要做的。

编辑 - 我对您评论的回答：

然后，它稍微复杂一些，并以某种方式使用'selectedRow'。在我自己的代码中，我使用了这种方法：

 < asp：GridView ID =gv1（...）DataKeyNames =orderId，email，username
 OnRowCommand =Gv_RowCommand（...）> 
 
 
 
< asp：LinkBut​​ton ID =LinkBut​​ton1runat =serverCommandName =Select
 CommandArgument ='<％＃ DataBinder.Eval（Container，RowIndex）％>'Text =Button> 
< / asp：LinkBut​​ton> 
  

以及后面的代码：

  protected void Gv_RowCommand（object sender，GridViewCommandEventArgs e）
 {
 int selectedRowIndex = Convert.ToInt32（e.CommandArgument）; 
 if（e.CommandName ==Select）
 {
 int orderId = Convert.ToInt32（gv1.DataKeys [selectedRowIndex] [orderId]）; 
 string email = gv1.DataKeys [selectedRowIndex] [email]。ToString（）; 
 // ... 
} 
} 
  

I have GridView with some of columns. all the columns are boundfield like:

            <asp:BoundField DataField="orderId" HeaderText="orderId" 
            SortExpression="orderId"></asp:BoundField>

The last column is:

                    <asp:LinkButton ID="LinkButton1" runat="server"    
  CommandName="" onclick="LinkButton1_Click" Text="Button"></asp:LinkButton>

as you see , there is "onclick" with some method.. like:

        lbltest.Text = gv_order.Rows[gv_order.SelectedIndex].Cells[2].Text;

With that code i get (offcourse) what i have on the selected row in cell number 2. how can i get value from the same row (and from cell number 2) where the button is clicked without the "selceted row" ? example: when i click button on row 2 - i get the cell 2 of that row.

That's possible?

解决方案

If you want to retrieve 'orderid' in more clean way, you can use CommandName, CommandArgument properties and OnRowCommand event like this:

        <asp:GridView (...) OnRowCommand="Gv_RowCommand" (...)>

...

        <asp:LinkButton ID="LinkButton1" runat="server" CommandName="Select"
     CommandArgument='<%# Bind("orderId") %>' Text="Button"></asp:LinkButton>

and in code behind:

protected void Gv_RowCommand(object sender, GridViewCommandEventArgs e)
{
    if (e.CommandName == "Select")
    {
         int selectedOrderId = Convert.ToInt32(e.CommandArgument);
         // ... 
    }
}

I hope this is what you want to do.

Edit - my answer to your comment:

Then, it's little more complicated and uses 'selectedRow' in some way. In my own code, I use this approach:

    <asp:GridView ID="gv1" (...) DataKeyNames="orderId,email,username"
         OnRowCommand="Gv_RowCommand" (...)>

            ...

    <asp:LinkButton ID="LinkButton1" runat="server" CommandName="Select"
       CommandArgument='<%# DataBinder.Eval(Container,"RowIndex") %>' Text="Button">
</asp:LinkButton>

and in code behind:

protected void Gv_RowCommand(object sender, GridViewCommandEventArgs e)
{
    int selectedRowIndex = Convert.ToInt32(e.CommandArgument);
    if (e.CommandName == "Select")
    {
         int orderId = Convert.ToInt32(gv1.DataKeys[selectedRowIndex]["orderId"]);
         string email = gv1.DataKeys[selectedRowIndex]["email"].ToString();
         // ... 
    }
}

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