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  • gridiew自带的排序方法

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

    public partial class Default2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            this.GridView1.Attributes.Add("SortExpression", "id");
            this.GridView1.Attributes.Add("SortDirection", "ASC");
            this.BindGridView();

        }
        protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
        {
            // 从事件参数获取排序数据列
            string sortExpression = e.SortExpression.ToString();

            // 假定为排序方向为“顺序”
            string sortDirection = "ASC";

            // “ASC”与事件参数获取到的排序方向进行比较,进行GridView排序方向参数的修改
            if (sortExpression == this.GridView1.Attributes["SortExpression"])
            {
                //获得下一次的排序状态
                sortDirection = (this.GridView1.Attributes["SortDirection"].ToString() == sortDirection ? "DESC" : "ASC");
            }

            // 重新设定GridView排序数据列及排序方向
            this.GridView1.Attributes["SortExpression"] = sortExpression;
            this.GridView1.Attributes["SortDirection"] = sortDirection;

            this.BindGridView();
        }


        private void BindGridView()
        {
            // 获取GridView排序数据列及排序方向
            string sortExpression = this.GridView1.Attributes["SortExpression"];
            string sortDirection = this.GridView1.Attributes["SortDirection"];

            // 调用业务数据获取方法
            DataTable dtBind = this.getDB();

            // 根据GridView排序数据列及排序方向设置显示的默认数据视图
            if ((!string.IsNullOrEmpty(sortExpression)) && (!string.IsNullOrEmpty(sortDirection)))
            {
                dtBind.DefaultView.Sort = string.Format("{0} {1}", sortExpression, sortDirection);
            }

            // GridView绑定并显示数据
            this.GridView1.DataSource = dtBind;
            this.GridView1.DataBind();
        }
        #region
       
        private DataTable getDB()
        {
            DataTable dt = new DataTable();

            dt.Columns.Add("id");
            dt.Columns.Add("name");
            dt.Columns.Add("age");

            dt.Rows.Add(new object[] { "000001", "hekui", "26" });
            dt.Rows.Add(new object[] { "000002", "zhangyu", "26" });
            dt.Rows.Add(new object[] { "000003", "zhukundian", "27" });
            dt.Rows.Add(new object[] { "000004", "liyang", "25" });
            dt.Rows.Add(new object[] { "000005", "caili", "27" });

            return dt;
        }


        #endregion
    }

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  • 原文地址:https://www.cnblogs.com/wangyhua/p/4050691.html
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