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  • GridView显示隐藏某一列

    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;

    //QQ:272912705 光之翼 www.hi.baidu.com/jcomet

    public partial class _Default : System.Web.UI.Page
    {
        SqlConnection sqlcon;
        SqlCommand sqlcom;
        string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                ViewState["SortOrder"] = "身份证号码";
                ViewState["OrderDire"] = "ASC";
                bind();
                       }
        }
        protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
        {
            GridView1.EditIndex = e.NewEditIndex;
            bind();
        }
        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            string sqlstr = "delete from 飞狐工作室 where 身份证号码='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
            sqlcon = new SqlConnection(strCon);
            sqlcom = new SqlCommand(sqlstr,sqlcon);
            sqlcon.Open();
            sqlcom.ExecuteNonQuery();
            sqlcon.Close();
            bind();
        }
        protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            sqlcon = new SqlConnection(strCon);
            string sqlstr = "update 飞狐工作室 set 姓名='"
                + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',家庭住址='"
                + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where 身份证号码='"
                + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
            sqlcom=new SqlCommand(sqlstr,sqlcon);
            sqlcon.Open();
            sqlcom.ExecuteNonQuery();
            sqlcon.Close();
            GridView1.EditIndex = -1;
            bind();
        }
        protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
        {
            GridView1.EditIndex = -1;
            bind();
        }
        public void bind()
        {
            string sqlstr = "select top 5 * from 飞狐工作室";
            sqlcon = new SqlConnection(strCon);
            SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
            DataSet myds = new DataSet();
            sqlcon.Open();
            myda.Fill(myds, "飞狐工作室");
            GridView1.DataSource = myds;
            GridView1.DataKeyNames = new string[] { "身份证号码" };
            GridView1.DataBind();
            sqlcon.Close();
            GridView1.Columns[3].Visible = false;
            CheckBox1.Checked = false;
        }
        protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
        {
             GridView1.Columns[3].Visible=! GridView1.Columns[3].Visible;
             Response.Write("GridView1的第4列现在的显示隐藏状态是:"+GridView1.Columns[3].Visible.ToString());
        }
    }

    前台代码:
    <!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>GridView显示隐藏列 清清月儿http://blog.csdn.net/21aspnet </title>
    </head>
    <body style="font-size=12px">
        <form id="form1" runat="server">
        <div>
                       <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
                            OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" >
                            <FooterStyle BackColor="White" ForeColor="#000066" />
                            <Columns>
                                <asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
                                <asp:BoundField DataField="姓名" HeaderText="用户姓名" />
                                <asp:BoundField DataField="邮政编码" HeaderText="邮政编码" SortExpression="邮政编码" />
                                <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>
            <asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="True" Font-Size="12px"
                OnCheckedChanged="CheckBox1_CheckedChanged" Text="显示隐藏家庭住址" /></div>
        </form>
    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/jcomet/p/1242488.html
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