121 строка
4.0 KiB
C#
121 строка
4.0 KiB
C#
#region Copyright Syncfusion Inc. 2001-2022.
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// Copyright Syncfusion Inc. 2001-2022. All rights reserved.
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// Use of this code is subject to the terms of our license.
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// A copy of the current license can be obtained at any time by e-mailing
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// licensing@syncfusion.com. Any infringement will be prosecuted under
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// applicable laws.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using Syncfusion.JavaScript.Web;
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namespace WebSampleBrowser.Grid
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{
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public partial class SQLBinding : System.Web.UI.Page
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{
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DataTable dt = new DataTable("Order");
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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SqlConnection myConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["SQLConnectionString"].ToString());
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dt = new DataTable("Order");
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SqlCommand cmd = new SqlCommand();
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cmd.Connection = myConnection;
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cmd.CommandText = "select * from Orders";
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cmd.CommandType = CommandType.Text;
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SqlDataAdapter da = new SqlDataAdapter();
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da.SelectCommand = cmd;
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if (myConnection.State == ConnectionState.Closed)
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{
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myConnection.Open();
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}
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da.Fill(dt);
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Session["SqlDataSource"] = dt;
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dataBind();
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}
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}
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protected void dataBind()
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{
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OrdersGrid.DataSource = (DataTable)Session["SqlDataSource"];
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OrdersGrid.DataBind();
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}
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protected void EditEvents_ServerEditRow(object sender, GridEventArgs e)
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{
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EditAction(e.EventType, e.Arguments["data"]);
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}
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protected void EditEvents_ServerAddRow(object sender, GridEventArgs e)
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{
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EditAction(e.EventType, e.Arguments["data"]);
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}
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protected void EditEvents_ServerDeleteRow(object sender, GridEventArgs e)
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{
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EditAction(e.EventType, e.Arguments["data"]);
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}
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protected void EditAction(string eventType, object record)
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{
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SqlConnection myConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["SQLConnectionString"].ToString());
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dt = Session["SqlDataSource"] as DataTable;
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Dictionary<string, object> KeyVal = record as Dictionary<string, object>;
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if (eventType == "endEdit")
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{
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var Order = KeyVal.Values.ToArray();
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foreach (DataRow dr in dt.Rows)
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{
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if (Convert.ToInt32(dr["OrderID"]) == Convert.ToInt32(Order[0]))
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{
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dr["EmployeeID"] = Order[1];
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dr["Freight"] = Order[2];
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dr["ShipCity"] = Order[3];
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dr["ShipCountry"] = Order[4];
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dr.AcceptChanges();
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}
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}
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}
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else if (eventType == "endAdd")
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{
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var Order = KeyVal.Values.ToArray();
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DataRow dr = dt.NewRow();
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dr["OrderID"] = Order[0];
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dr["EmployeeID"] = Order[1];
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dr["Freight"] = Order[2];
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dr["ShipCity"] = Order[3];
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dr["ShipCountry"] = Order[4];
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dt.Rows.Add(dr);
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}
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else if (eventType == "endDelete")
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{
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var Order = KeyVal.Values.ToArray();
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if (Session["SqlDataSource"] != null)
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{
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DataRow[] rows = dt.Select("OrderID = " + Order[0]);
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foreach (DataRow row in rows)
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dt.Rows.Remove(row);
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}
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}
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Session["SqlDataSource"] = dt;
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dataBind();
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}
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}
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} |