Question

我正在尝试为每个生成的行添加编辑/更新/删除超链接，这样如果有任何错误，则用户可以编辑/更新/删除它。我已经找到了与我得到的代码有关的代码，但我无法做到。我正在为用户显示数据，以便可以提交相同ID的多个行。这不是实际的代码，但在逻辑上类似。我还有其他几个用户输入的字段。

提前感谢您的帮助。

ASPX：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="gridViewTest.WebForm2" %>

<!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>
</head>
<body>
    <form id="form1" runat="server">
    <div align="center" style="margin-top:50px;">
     <table align="center" style="border-collapse:collapse; width:500px;">
      <tr>
       <th align="left" colspan="4" style="color:#86ef12; border:1px solid #86ef12; padding:5px 10px;">Add Employees Details</th>        
      </tr>
      <tr>
       <td style="border:1px solid #86ef12;padding:5px 10px;"> Employ ID :</td>
       <td style="border:1px solid #86ef12;"><asp:TextBox ID="txtempid" runat="server"></asp:TextBox></td>
      </tr>      
      <tr>
       <td style="border:1px solid #86ef12;padding:5px 10px;"> Employ Name :</td>
       <td style="border:1px solid #86ef12;"><asp:TextBox ID="txtempname" runat="server"></asp:TextBox></td>
      </tr>      
      <tr>
       <td style="border:1px solid #86ef12;padding:5px 10px;"> Employ Salary :</td>
       <td style="border:1px solid #86ef12;"><asp:TextBox ID="txtempsalary" runat="server"></asp:TextBox></td>
      </tr>
      <tr>
       <td colspan="4" style="padding:5px 10px; text-align:center;border:1px solid #86ef12;">
        <asp:Button ID="btn_add" runat="server" Text=" ADD " onclick="btn_add_Click" />
       </td>
      </tr>
     </table>
     <br />
     <asp:GridView ID="GridView1" runat="server" BackColor="White" 
            BorderColor="#DEDFDE" BorderStyle="None" BorderWidth="1px" CellPadding="4" 
            ForeColor="Black" GridLines="Vertical">        
         <FooterStyle BackColor="#CCCC99" />
         <HeaderStyle BackColor="#006a4d" Font-Bold="True" ForeColor="White" />
         <PagerStyle BackColor="#34b233" ForeColor="Black" HorizontalAlign="Right" />
         <RowStyle BackColor="white" />
         <SelectedRowStyle BackColor="#CE5D5A" Font-Bold="True" ForeColor="White" />
         <SortedAscendingCellStyle BackColor="#FBFBF2" />
         <SortedAscendingHeaderStyle BackColor="#848384" />
         <SortedDescendingCellStyle BackColor="#EAEAD3" />
         <SortedDescendingHeaderStyle BackColor="#575357" />
        </asp:GridView>
    </div>

        <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
    </form>
</body>
</html>

CODE背后：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;


namespace gridViewTest
{
    public partial class WebForm2 : System.Web.UI.Page
{
    public string cs = ConfigurationManager.ConnectionStrings["connect"].ConnectionString;


    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void btn_add_Click(object sender, EventArgs e)
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("EmpID");
        dt.Columns.Add("EmpName");
        dt.Columns.Add("EmpSal");
        DataRow dr = null;
        if (ViewState["emp"] != null)
        {
            for (int i = 0; i < 1; i++)
            {
                dt = (DataTable)ViewState["emp"];
                if (dt.Rows.Count > 0)
                {
                    dr = dt.NewRow();
                    dr["EmpID"] = txtempid.Text;
                    dr["EmpName"] = txtempname.Text;
                    dr["EmpSal"] = txtempsalary.Text;
                    dt.Rows.Add(dr);
                    GridView1.DataSource = dt;
                    GridView1.DataBind();
                }
            }
        }
        else
        {
            dr = dt.NewRow();
            dr["EmpID"] = txtempid.Text;
            dr["EmpName"] = txtempname.Text;
            dr["EmpSal"] = txtempsalary.Text;
            dt.Rows.Add(dr);
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }
        ViewState["emp"] = dt;

    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        //Create a new DataTable.
        DataTable dtCustomers = new DataTable("Customers");

        //Add columns to DataTable.
        foreach (TableCell cell in GridView1.HeaderRow.Cells)
        {
            dtCustomers.Columns.Add(cell.Text);
        }

        //Loop through the GridView and copy rows.
        foreach (GridViewRow row in GridView1.Rows)
        {
            dtCustomers.Rows.Add();
            for (int i = 0; i < row.Cells.Count; i++)
            {
                dtCustomers.Rows[row.RowIndex][i] = row.Cells[i].Text;
            }
        }

        using (SqlConnection con = new SqlConnection(cs))
        {
            SqlCommand submitData = new SqlCommand("insertEmp", con);
            submitData.CommandType = CommandType.StoredProcedure;
            submitData.Parameters.AddWithValue("@empInfo", dtCustomers);

            con.Open();

            try
            {
                submitData.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                throw ex;
            }

            con.Close();


        }


    }//end of button1_click



}
}

网格视图编辑/更新/删除问题

0 个答案: