如何计算从gridview或数据表到标签中的净额?

问题描述

大家好
我需要这里的帮助

我有一个updatr按钮，它可以更改计数和总数
这样的

 受保护的  void  btnUpdate_Click1(对象发​​件人，EventArgs e)
  {

     // 尝试
      //  {
           for ( int  i =  0 ; i <  GridView2.Rows.Count; i ++)
          {
              TextBox Tb =(TextBox)GridView2.Rows [i] .FindControl("  TextBoxCount" );
              Basket_DataTable.Rows [i] ["  count" ] = Tb.Text;
              Basket_DataTable.Rows [i] [" 总计" ] = Convert.ToInt32(Tb.Text)*转换.ToInt32(Basket_DataTable.Rows [i] [" 销售价格" ])；
          } 

当我也单击更新"按钮时，我也想通过获得总数的总和来获得总净额.我该怎么做?标签id ="Label2" runat =服务器" text =<％#Eval(" sellingprice)& lt; br =""mode =" hold& gt; in =""grid ="视图=" you =" need =" to =" get =" value =" like =" this =" ..... after =" that =" pass =" in = " update =" button =" event ="和=" calculate& lt; =" xml& gt;"=""xmlns:asp ="#unknown>

Hi all
I need some help here

I have an updatr button it change the count and the total
like that

protected void btnUpdate_Click1(object sender, EventArgs e)
  {

     // try
      //{
          for (int i = 0; i < GridView2.Rows.Count; i++)
          {
              TextBox Tb = (TextBox)GridView2.Rows[i].FindControl("TextBoxCount");
              Basket_DataTable.Rows[i]["count"] = Tb.Text;
              Basket_DataTable.Rows[i]["Total"] = Convert.ToInt32(Tb.Text) * Convert.ToInt32(Basket_DataTable.Rows[i]["SellingPrice"]);
          }

I want also to get the net total when I click into update button too by getting the sum of total How can I do it???

解决方案

这篇关于如何计算从gridview或数据表到标签中的净额?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！