GridVIew控件选中、编辑、取消、删除数据项

<asp:GridView ID="GridView1" runat="server" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
                        OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit">
                        <Columns>
                            <asp:BoundField DataField="id" HeaderText="用户ID" ReadOnly="True" />
                            <asp:BoundField DataField="name" HeaderText="用户姓名" />
                            <asp:BoundField DataField="sex" HeaderText="性别" />
                            <asp:BoundField DataField="nPlace" HeaderText="籍贯" />
                            <asp:CommandField HeaderText="选择" ShowSelectButton="True" />
                            <asp:CommandField HeaderText="编辑" ShowEditButton="True" />
                            <asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
                        </Columns>
</asp:GridView>

 

    SqlConnection sqlcon;
    SqlCommand sqlcom;
    string strCon = "Data Source=(local);Database=db_04;Uid=sa;Pwd=sa";

 

 public void bind()
    {
        string sqlstr = "select * from tb_Member";
        sqlcon = new SqlConnection(strCon);
        SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
        DataSet myds = new DataSet();
        sqlcon.Open();
        myda.Fill(myds, "tb_Member");
        GridView1.DataSource = myds;
        GridView1.DataKeyNames = new string[] { "id" };
        GridView1.DataBind();
        sqlcon.Close();
    }

//编辑

protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        GridView1.EditIndex = e.NewEditIndex;
        bind();
    }

//删除
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string sqlstr = "delete from tb_Member where id=‘" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "‘";
        sqlcon = new SqlConnection(strCon);
        sqlcom = new SqlCommand(sqlstr,sqlcon);
        sqlcon.Open();
        sqlcom.ExecuteNonQuery();
        sqlcon.Close();
        bind();
    }

//更新
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        sqlcon = new SqlConnection(strCon);
        string sqlstr = "update tb_Member set name=‘"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "‘,sex=‘"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "‘,nPlace=‘"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "‘ where id=‘"
            + GridView1.DataKeys[e.RowIndex].Value.ToString() + "‘";
        sqlcom=new SqlCommand(sqlstr,sqlcon);
        sqlcon.Open();
        sqlcom.ExecuteNonQuery();
        sqlcon.Close();
        GridView1.EditIndex = -1;
        bind();
    }

//取消编辑
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex = -1;
        bind();
    }