GridView选中,编辑,取消,删除
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效果图:
后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
{
SqlConnection conn=new SqlConnection();
SqlCommand cmd=new SqlCommand();
string strCon = "Data Source=.\\SQLExpress;Initial Catalog=Message;User ID=sa;Password=123";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) //if(不是回发),点击一个按钮,页面不会重新生成
{
bind();
}
}
public void bind()
{
string sqlStr = "select * from Employee";
conn = new SqlConnection(strCon); //连接字符串
SqlDataAdapter myda = new SqlDataAdapter(sqlStr, conn); //创建DataAdapter数据适配器实例
DataSet myds = new DataSet(); //创建DataSet实例
conn.Open(); //打开数据库
myda.Fill(myds, "Employee"); //使用DataAdapter的Fill方法填充
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "ID" };
GridView1.DataBind(); //绑定数据
conn.Close(); //关闭数据库
}
protected void GridView1_RowDeleting1(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from Employee where ID='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
conn = new SqlConnection(strCon);
cmd = new SqlCommand(sqlstr, conn);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
bind();
}
protected void GridView1_RowCancelingEdit1(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
protected void GridView1_RowEditing1(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex; //设置gridview的编辑项。gridview.编辑项下标=e.新的编辑项下标。
bind();
}
protected void GridView1_RowUpdating1(object sender, GridViewUpdateEventArgs e)
{
conn = new SqlConnection(strCon);
string sqlstr = "update Employee set 身份证号码='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[0].Controls[0])).Text.ToString().Trim() + "',姓名='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',员工性别='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "',家庭住址='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where ID='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
cmd = new SqlCommand(sqlstr, conn);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
GridView1.EditIndex = -1;
bind();
}
}
前台主要代码:
... ...
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"
ForeColor="#333333" GridLines="None" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit">
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="用户ID" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" />
<asp:BoundField DataField="员工性别" HeaderText="性别" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
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