using System; using System.Data; using System.Data.SqlClient; using System.Configuration; using System.Collections; 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; public partial class Demo18 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (Page.IsPostBack == false) { BindData(); } } public void BindData() { string strSql = "select UserID,C_Name,E_Name,UpdataDate,isDY from Demo_User "; DataTable dt = SqlHelper.ExecuteDataset(SqlHelper.CONN_STRING, CommandType.Text, strSql, null).Tables[0]; GridView.DataSource = dt; GridView.DataKeyNames = new string[] { "UserID" };//主键 GridView.DataBind(); } protected void GridView_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView.PageIndex = e.NewPageIndex; BindData(); } protected void Button1_Click(object sender, EventArgs e) { CheckBoxAll.Checked = false; CheckBox1.Checked = false; for (int i = 0; i GridView演示
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