如何找到gridview行的id [英] how to find id of gridview row

问题描述

如何找到一行的id我在grideview中有一个下拉列表现在我想找到下拉列表中所选索引已更改的行ID

解决方案

< pre lang =c＃> protected void dd1_selectedindexchanged（ object sender，EventArgs e）
{
DropDownList DropDownList1 = sender as DropDownList;
GridViewRow row =（GridViewRow）DropDownList1.NamingContainer;
int rowIndex = row.RowIndex;
Label Label3 =（Label）GridView1.Rows [rowIndex] .FindControl（ Label3 ）;

标签lbl_price =（标签）GridView1.Rows [rowIndex] .FindControl（ lbl_price ）;
Int32 price = Convert.ToInt32（lbl_price.Text）;
Int32 quantity = Convert.ToInt32（DropDownList1.SelectedValue）;
字符串 total =（ Int32 .Parse（quantity.ToString（））* 的Int32 .Parse（price.ToString（）））的ToString（）;


Label3.Text = total.ToString（）;


sumtotal（）;

}

how can i find the id of a row i have a dropdown inside a grideview now i want to find that row id which dropdown's selected index changed

解决方案

protected void dd1_selectedindexchanged(object sender, EventArgs e)
      {
          DropDownList DropDownList1 = sender as DropDownList;
          GridViewRow row = (GridViewRow)DropDownList1.NamingContainer;
          int rowIndex = row.RowIndex;
          Label Label3= (Label)GridView1.Rows[rowIndex].FindControl("Label3");

          Label lbl_price = (Label)GridView1.Rows[rowIndex].FindControl("lbl_price");
          Int32 price = Convert.ToInt32(lbl_price.Text);
              Int32 quantity   = Convert.ToInt32(DropDownList1.SelectedValue);
           String  total = (Int32.Parse(quantity.ToString())* Int32.Parse(price.ToString())).ToString();


           Label3.Text = total.ToString();


           sumtotal();

      }

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