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2024-05-16 14:30:14 +08:00
parent ecda19d1fa
commit 5d76090d41
917 changed files with 199803 additions and 5 deletions
@@ -0,0 +1,172 @@
+using BLL;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Text;
+using System.Web;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+
+namespace FineUIPro.Web.Email_Send
+{
+    public partial class SelectUserControl : System.Web.UI.UserControl
+    {
+        protected void Page_Load(object sender, EventArgs e)
+        {
+            if (!IsPostBack)
+            {
+                BindGrid();
+            }
+        }
+
+
+
+
+        #region BindGrid
+
+
+        private void BindGrid()
+        {
+            // 1.设置总项数（特别注意：数据库分页一定要设置总记录数RecordCount）
+            Grid1.RecordCount = GetTotalCount();
+
+            // 2.获取当前分页数据
+            DataTable table = GetPagedDataTable();
+
+            // 3.绑定到Grid
+            Grid1.DataSource = table;
+            Grid1.DataBind();
+        }
+
+        /// <summary>
+        /// 模拟返回总项数
+        /// </summary>
+        /// <returns></returns>
+        private int GetTotalCount()
+        {
+            return GetSource().Rows.Count;
+        }
+
+        /// <summary>
+        /// 模拟数据库分页（实际项目中请直接使用SQL语句返回分页数据！）
+        /// </summary>
+        /// <returns></returns>
+        private DataTable GetPagedDataTable()
+        {
+            int pageIndex = Grid1.PageIndex;
+            int pageSize = Grid1.PageSize;
+
+            DataTable table = GetSource();
+
+            DataTable paged = table.Clone();
+            int rowbegin = pageIndex * pageSize;
+            int rowend = (pageIndex + 1) * pageSize;
+            if (rowend > table.Rows.Count)
+            {
+                rowend = table.Rows.Count;
+            }
+            for (int i = rowbegin; i < rowend; i++)
+            {
+                paged.ImportRow(table.Rows[i]);
+            }
+
+            return paged;
+        }
+
+        private DataTable GetSource()
+        {
+            string sortField = Grid1.SortField;
+            string sortDirection = Grid1.SortDirection;
+
+            string strSql = @"select UserId,UserName,Email from Sys_User where 1=1";
+            List<SqlParameter> listStr = new List<SqlParameter>();
+            SqlParameter[] parameter = listStr.ToArray();
+            DataTable table2 = SQLHelper.GetDataTableRunText(strSql, parameter);
+
+
+            DataView view2 = table2.DefaultView;
+            view2.Sort = String.Format("{0} {1}", sortField, sortDirection);
+
+            List<string> filters = new List<string>();
+
+            string searchKeyword = ttbSearch.Text.Trim();
+            if (!String.IsNullOrEmpty(searchKeyword) && ttbSearch.ShowTrigger1)
+            {
+                // RowFilter的用法：http://www.csharp-examples.net/dataview-rowfilter/
+                filters.Add(String.Format("UserName LIKE '*{0}*'", EscapeLikeValue(searchKeyword)));
+            }
+
+
+            if (filters.Count > 0)
+            {
+                view2.RowFilter = String.Join(" AND ", filters.ToArray());
+            }
+
+
+
+            return view2.ToTable();
+        }
+
+        // From: http://www.csharp-examples.net/dataview-rowfilter/
+        public static string EscapeLikeValue(string valueWithoutWildcards)
+        {
+            StringBuilder sb = new StringBuilder();
+            for (int i = 0; i < valueWithoutWildcards.Length; i++)
+            {
+                char c = valueWithoutWildcards[i];
+                if (c == '*' || c == '%' || c == '[' || c == ']')
+                    sb.Append("[").Append(c).Append("]");
+                else if (c == '\'')
+                    sb.Append("''");
+                else
+                    sb.Append(c);
+            }
+            return sb.ToString();
+        }
+
+
+        #endregion
+
+        #region Events
+
+
+
+        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
+        {
+            //Grid1.PageIndex = e.NewPageIndex;
+
+            BindGrid();
+        }
+
+        protected void Grid1_Sort(object sender, GridSortEventArgs e)
+        {
+            //Grid1.SortDirection = e.SortDirection;
+            //Grid1.SortField = e.SortField;
+
+            BindGrid();
+        }
+
+
+        protected void ttbSearch_Trigger1Click(object sender, EventArgs e)
+        {
+            ttbSearch.Text = String.Empty;
+            ttbSearch.ShowTrigger1 = false;
+
+            BindGrid();
+        }
+
+        protected void ttbSearch_Trigger2Click(object sender, EventArgs e)
+        {
+            ttbSearch.ShowTrigger1 = true;
+
+            BindGrid();
+        }
+
+
+        #endregion
+
+
+    }
+}