C# 当我按下按钮时,如何理解哪些列的值?

C# 当我按下按钮时,如何理解哪些列的值?,c#,asp.net,gridview,C#,Asp.net,Gridview,我尝试在aspx中编写数据网格。在我的数据库中,有一列名称为“PROJECT\u name”。我希望这些列在我的数据网格中,然后我添加第二列(editbox)来为每个项目添加值。这都在网格视图中,我在表单中添加了按钮。当我按下按钮时,我如何理解哪些列值属于哪个项目 我是说,比如说 行值:项目2列值:50 行值:B项目2列值:60 行值:C项目2列值:70 我想知道我什么时候按下按钮1。项目价值50ı如何理解这一点 这是我的aspx代码: <%@ Page Language="C#

我尝试在aspx中编写数据网格。在我的数据库中,有一列名称为“PROJECT\u name”。我希望这些列在我的数据网格中,然后我添加第二列(editbox)来为每个项目添加值。这都在网格视图中,我在表单中添加了按钮。当我按下按钮时,我如何理解哪些列值属于哪个项目

我是说,比如说

  • 行值:项目2列值:50
  • 行值:B项目2列值:60
  • 行值:C项目2列值:70
  • 我想知道我什么时候按下按钮1。项目价值50ı如何理解这一点

    这是我的aspx代码:

         <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
    
        <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
        <html xmlns="http://www.w3.org/1999/xhtml">
        <head runat="server">
            <title></title>
            <style type="text/css">
                .style1
                {
                    width: 78px;
                }
                .style2
                {
                width: 426px;
            }
        </style>
    </head>
    
    
    <body>
        <form id="form1" runat="server">
        <div style="height: 561px">
    
            <table style="width: 100%; height: 556px;">
                <tr>
                    <td>
                        &nbsp;</td>
                    <td>
    
                        <table style="width:100%;">
                            <tr>
                                <td class="style1">
                                    Ay</td>
                                <td>
                                    <asp:TextBox ID="ay" runat="server"></asp:TextBox>
                                </td>
                                <td>
                                    &nbsp;</td>
                            </tr>
                            <tr>
                                <td class="style1">
                                    Yıl</td>
                                <td>
                                    <asp:TextBox ID="yil" runat="server"></asp:TextBox>
                                </td>
                                <td>
                                    &nbsp;</td>
                            </tr>
                            <tr>
                                <td class="style1">
                                    &nbsp;</td>
                                <td>
                                    &nbsp;</td>
                                <td>
                                    &nbsp;</td>
                            </tr>
                        </table>
                    </td>
    
                    <td>
                        &nbsp;</td>
                </tr>
                <tr>
                    <td>
                        &nbsp;</td>
                    <td>
                       <asp:GridView ID="portföy" runat="server" 
                        CellPadding="3" GridLines="Horizontal" 
                        AutoGenerateColumns="False"      
                        DataKeyNames="PRJ_PROJECT_NAME" BackColor="White" BorderColor="#E7E7FF" 
                        BorderStyle="None" BorderWidth="1px" Font-Bold="False" Font-Names="Verdana" 
                        Font-Overline="False" Font-Size="Smaller" Width="1000px"  
                        >
                        <RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" />
                <Columns> 
                <asp:TemplateField HeaderText="PRJ_PROJECT_NAME"  HeaderStyle-HorizontalAlign="Left"> 
    
                    <ItemTemplate> 
                        <asp:Label ID="lblProjeTT" runat="server" Text='<%# Bind("PRJ_PROJECT_NAME") %>'></asp:Label> 
                    </ItemTemplate> 
                    <HeaderStyle HorizontalAlign="Left"></HeaderStyle>
                </asp:TemplateField> 
    
                <asp:TemplateField HeaderText="Miktar (a/g)" HeaderStyle-HorizontalAlign="Center"> 
    
                    <ItemTemplate> 
                   <asp:TextBox runat="server" id="txtField1" Text='<%# Bind("TAMAMLANMA_YUZDESI") %>'/>
                    </ItemTemplate>  
                    <EditItemTemplate>
                     <asp:TextBox runat="server" id="txtField1" Text='<%# Bind("TAMAMLANMA_YUZDESI") %>'/>
                    </EditItemTemplate>
    
                    <HeaderStyle HorizontalAlign="Center"></HeaderStyle>
                </asp:TemplateField>             
                <asp:TemplateField HeaderText="" ShowHeader="False" HeaderStyle-HorizontalAlign="Center"> 
    
                    <HeaderStyle HorizontalAlign="Center"></HeaderStyle>
                </asp:TemplateField> 
            </Columns> 
                        <FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" />
                        <PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Right" />
                        <SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" />
                        <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" />
                        <EditRowStyle BackColor="#FFFFA8" ForeColor="Black" />
                        <AlternatingRowStyle BackColor="#F7F7F7" />
                    </asp:GridView>
    
                        <table style="width:100%;">
                            <tr>
                                <td class="style2">
                                    &nbsp;</td>
                                <td>
                                    &nbsp;</td>
                                <td>
                                    &nbsp;</td>
                            </tr>
                            <tr>
                                <td class="style2">
                                    &nbsp;</td>
                                <td>
                                    <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" 
                                        Width="149px" />
                                </td>
                                <td>
                                    &nbsp;</td>
                            </tr>
                            <tr>
                                <td class="style2">
                                    &nbsp;</td>
                                <td>
                                    &nbsp;</td>
                                <td>
                                    &nbsp;</td>
                            </tr>
                        </table>
    
                    </td>
                    <td>
                        &nbsp;</td>
                </tr>
                <tr>
                    <td>
                        &nbsp;</td>
                    <td>
                        &nbsp;</td>
                    <td>
                        &nbsp;</td>
                </tr>
            </table>
    
        </div>
        </form>
    </body>
    </html>
    

    谢谢。

    在按钮1\u单击内部,您需要循环浏览GridView中的所有行,并对每行执行FindControl以获取标签和文本框。从中可以确定文本框中的PRJ_项目名称和值

    以下是一个例子:

    Default.aspx

    <asp:GridView ID="gvData" runat="server" AutoGenerateColumns="false">
      <Columns>
        <asp:TemplateField>
          <ItemTemplate>
            <asp:Label ID="lblLabel" runat="server" Text='<%# Bind("Number") %>' />
          </ItemTemplate>          
        </asp:TemplateField>
        <asp:TemplateField>
          <ItemTemplate>
            <asp:TextBox ID="txtData" runat="server" Text='<%# Bind("Value") %>' />
          </ItemTemplate>
        </asp:TemplateField>
      </Columns>
    </asp:GridView>
    <asp:Button ID="btnSubmit" runat="server" OnClick="btnSubmit_Click" Text="Submit" />
    
    
    
    Default.aspx.cs

    protected void Page_Load(object sender, EventArgs e)
    {
      if (!IsPostBack)
      {
        // Create some fake data and bind it to the gridview
        var data = new List<TheData>();
    
        foreach(var num in Enumerable.Range(1, 4))
        {
          var newData = new TheData();
    
          newData.Number = num.ToString();
          newData.Value = num;
    
          data.Add(newData);
        }
    
        gvData.DataSource = data;
        gvData.DataBind();
      }
    }
    
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
      for (var index = 0; index < gvData.Rows.Count; ++index)
      {
        var row = gvData.Rows[index];
        var lblLabel = row.FindControl("lblLabel") as Label;
        var txtData = row.FindControl("txtData") as TextBox;
    
        //Here is where the values are grabbed, at this point you can do what you need to.
        var number = lblLabel.Text;
        var value = txtData.Text;
      }
    }
    
    受保护的无效页面加载(对象发送方,事件参数e)
    {
    如果(!IsPostBack)
    {
    //创建一些假数据并将其绑定到gridview
    var data=新列表();
    foreach(可枚举范围(1,4)中的var num)
    {
    var newData=newthedata();
    newData.Number=num.ToString();
    newData.Value=num;
    data.Add(newData);
    }
    gvData.DataSource=数据;
    gvData.DataBind();
    }
    }
    受保护的void btnsupmit\u单击(对象发送者,事件参数e)
    {
    对于(变量索引=0;索引
    我以前使用过的一个解决方案利用了按钮的CommandArgument属性。您可以设置CommandArgument='',每个按钮将获得其所在行中的列的值。然后,在单击事件中,您可以将对象发送者解析回一个按钮并访问CommandArgument值。

    它是一个列,而不是一个列,请注意
    protected void Page_Load(object sender, EventArgs e)
    {
      if (!IsPostBack)
      {
        // Create some fake data and bind it to the gridview
        var data = new List<TheData>();
    
        foreach(var num in Enumerable.Range(1, 4))
        {
          var newData = new TheData();
    
          newData.Number = num.ToString();
          newData.Value = num;
    
          data.Add(newData);
        }
    
        gvData.DataSource = data;
        gvData.DataBind();
      }
    }
    
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
      for (var index = 0; index < gvData.Rows.Count; ++index)
      {
        var row = gvData.Rows[index];
        var lblLabel = row.FindControl("lblLabel") as Label;
        var txtData = row.FindControl("txtData") as TextBox;
    
        //Here is where the values are grabbed, at this point you can do what you need to.
        var number = lblLabel.Text;
        var value = txtData.Text;
      }
    }