我们如何添加datagridview单元格的数值？ [英] How we add numeric values of datagridview cell?

问题描述

我有一个表单应用程序。在这个应用程序中，我使用了datagridview。共有4列。我想添加所有第四个columan单元格的所有数值。我怎么能这样做？

I have a form application. In this application I used a datagridview. There are 4 columns. I want to add all numeric values of all 4th columan's cell. How Can I do this?

推荐答案

怎么样？



Default.aspx

============

How about it?

Default.aspx
============

<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true"

    CodeFile="Default.aspx.cs" Inherits="_Default" %>

<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <asp:GridView ID="gvTest" runat="server" AutoGenerateColumns="false" >
            <Columns>
                <asp:BoundField DataField="Val1" HeaderText="Column1" />
                <asp:BoundField DataField="Val2" HeaderText="Column2" />
                <asp:BoundField DataField="Val3" HeaderText="Column3" />
                <asp:TemplateField HeaderText="Total">
                    <ItemTemplate>
                        <%# int.Parse(Eval("Val1").ToString()) + int.Parse(Eval("Val2").ToString()) + int.Parse(Eval("Val3").ToString())%>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
</asp:Content>

Default.aspx.cs

===============



使用系统;

使用System.Collections;

使用System.Collections.Generic;

使用System.Linq;

使用System .Web;

使用System.Web.UI;

使用System.Web.UI.WebControls;



命名空间SignERP

{

公共部分类测试：System.Web.UI.Page

{

protected void Page_Load（object sender，EventArgs e）

{

gvTest.DataSource = GetData（）;

gvTest.DataBind（）;

}



protected static List< numberrow> GetData（）

{

List< numberrow> valueList = new List< numberrow>（）;

NumberRow row1 = new NumberRow（）;

row1.Val1 = 1;

row1。 Val2 = 1;

row1.Val3 = 1;



NumberRow row2 = new NumberRow（）;

row2.Val1 = 2;

row2.Val2 = 2;

row2.Val3 = 2;



valueList.Add（row1）;

valueList.Add（row2）;



return valueList;

}



公共类NumberRow

{

public int Val1 {get ;组; }

public int Val2 {get;组; }

public int Val3 {get;组; }



public NumberRow（）

{

Val1 = 0;

Val2 = 0;

Val3 = 0;

}

}

}

}



谢谢和最诚挚的问候

Default.aspx.cs
===============

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace SignERP
{
public partial class Testing : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
gvTest.DataSource = GetData();
gvTest.DataBind();
}

protected static List<numberrow> GetData()
{
List<numberrow> valueList = new List<numberrow>();
NumberRow row1 = new NumberRow();
row1.Val1 = 1;
row1.Val2 = 1;
row1.Val3 = 1;

NumberRow row2 = new NumberRow();
row2.Val1 = 2;
row2.Val2 = 2;
row2.Val3 = 2;

valueList.Add(row1);
valueList.Add(row2);

return valueList;
}

public class NumberRow
{
public int Val1 { get; set; }
public int Val2 { get; set; }
public int Val3 { get; set; }

public NumberRow()
{
Val1 = 0;
Val2 = 0;
Val3 = 0;
}
}
}
}

Thanks and Best Regards

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