(C#) ASP.NET DetailsView Control - SQL Server 2000,2005,2008 - System.Data.SqlClient |
(C#) ASP.NET DetailsView & SQL Server (Framework 2.0,3.5,4.0) เป็นตัวอย่างบทความการเรียกใช้งาน DetailsView กับฐานข้อมูล SQL Server 2000,2005 และ 2008 ผ่าน NameSpace ชื่อ System.Data.SqlClient ซึ่งไว้สำหรับจัดการกับฐานข้อมูล SQL Server 2000,2005 และ 2008 โดยเฉพาะ ในตัวอย่างนี้ผมได้ยกการเขียนร่วมกับ Visual Studio 2005,2008,2010 ซึ่ง Run บน Framework 2.0,3.5,4.0 ในรูปแบบของ Code-Behind แยกในส่วนของ Tag และ Code ไว้คนล่ะส่วน และใช้การจัดการ Control ผ่าน Code-Behind ทั้งหมด
Language Code : VB.NET ||  C#
Framework : 2,3,4
DetailsView1.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DetailsView1.aspx.cs" Inherits="DetailsView1" %>
<!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 id="Head1" runat="server">
<title>ThaiCreate.Com ASP.NET - DetailsView & SQL Server</title>
</head>
<body>
<form id="form1" runat="server">
<asp:DetailsView id="myDetailsView" runat="server"
AutoGenerateRows="False"
OnItemInserting="myDetailsView_ItemInserting"
OnItemUpdating="myDetailsView_ItemUpdating"
OnModeChanging="myDetailsView_ModeChanging">
<Fields>
<asp:TemplateField HeaderText="CustomerID">
<ItemTemplate>
<asp:Label id="lblCustomerID" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.CustomerID") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="txtEditCustomerID" size="5" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.CustomerID") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox id="txtAddCustomerID" size="5" runat="server"></asp:TextBox>
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Name">
<ItemTemplate>
<asp:Label id="lblName" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Name") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="txtEditName" size="10" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Name") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox id="txtAddName" size="10" runat="server"></asp:TextBox>
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Email">
<ItemTemplate>
<asp:Label id="lblEmail" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Email") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="txtEditEmail" size="20" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Email") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox id="txtAddEmail" size="20" runat="server"></asp:TextBox>
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="CountryCode">
<ItemTemplate>
<asp:Label id="lblCountryCode" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.CountryCode") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="txtEditCountryCode" size="2" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.CountryCode") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox id="txtAddCountryCode" size="2" runat="server"></asp:TextBox>
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Budget">
<ItemTemplate>
<asp:Label id="lblBudget" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Budget") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="txtEditBudget" size="6" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Budget") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox id="txtAddBudget" size="6" runat="server"></asp:TextBox>
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Used">
<ItemTemplate>
<asp:Label id="lblUsed" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Used") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="txtEditUsed" size="6" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Used") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox id="txtAddUsed" size="6" runat="server"></asp:TextBox>
</InsertItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowEditButton="True" />
<asp:CommandField ShowInsertButton="True" />
</Fields>
</asp:DetailsView>
</form>
</body>
</html>
DetailsView1.aspx.cs
using System;
using System.Data;
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;
using System.Data.SqlClient;
public partial class DetailsView1 : System.Web.UI.Page
{
SqlConnection objConn;
SqlCommand objCmd;
String strSQL;
String strCusID = "C001"; //*** Request.QueryString["CusID"] ***//
protected void Page_Load(object sender, EventArgs e)
{
String strConnString;
strConnString = "Server=localhost;UID=sa;PASSWORD=;database=mydatabase;Max Pool Size=400;Connect Timeout=600;";
objConn = new SqlConnection(strConnString);
objConn.Open();
if(!Page.IsPostBack)
{
BindData();
}
}
void BindData()
{
String strSQL;
strSQL = "SELECT * FROM customer WHERE CustomerID = '" + strCusID + "' ";
SqlDataReader dtReader;
objCmd = new SqlCommand(strSQL, objConn);
dtReader = objCmd.ExecuteReader();
//*** BindData to DetailsView ***//
myDetailsView.DataSource = dtReader;
myDetailsView.DataBind();
dtReader.Close();
dtReader = null;
}
void Page_UnLoad()
{
objConn.Close();
objConn = null;
}
protected void myDetailsView_ItemInserting(object sender, DetailsViewInsertEventArgs e)
{
//*** CustomerID ***//
TextBox txtCustomerID = (TextBox)(myDetailsView.FindControl("txtAddCustomerID"));
//*** Name ***//
TextBox txtName = (TextBox)(myDetailsView.FindControl("txtAddName"));
//*** Email ***//
TextBox txtEmail = (TextBox)(myDetailsView.FindControl("txtAddEmail"));
//*** CountryCode ***//
TextBox txtCountryCode = (TextBox)(myDetailsView.FindControl("txtAddCountryCode"));
//*** Budget ***//
TextBox txtBudget = (TextBox)(myDetailsView.FindControl("txtAddBudget"));
//*** Used ***//
TextBox txtUsed = (TextBox)(myDetailsView.FindControl("txtAddUsed"));
strSQL = "INSERT INTO customer (CustomerID,Name,Email,CountryCode,Budget,Used) " +
" VALUES ('" + txtCustomerID.Text + "','" + txtName.Text + "','" + txtEmail.Text + "' " +
" ,'" + txtCountryCode.Text + "','" + txtBudget.Text + "','" + txtUsed.Text + "') ";
objCmd = new SqlCommand(strSQL, objConn);
objCmd.ExecuteNonQuery();
strCusID = txtCustomerID.Text;
myDetailsView.ChangeMode(DetailsViewMode.ReadOnly);
BindData();
}
protected void myDetailsView_ItemUpdating(object sender, DetailsViewUpdateEventArgs e)
{
//*** CustomerID ***//
TextBox txtCustomerID = (TextBox)(myDetailsView.FindControl("txtEditCustomerID"));
//*** Name ***//
TextBox txtName = (TextBox)(myDetailsView.FindControl("txtEditName"));
//*** Email ***//
TextBox txtEmail = (TextBox)(myDetailsView.FindControl("txtEditEmail"));
//*** CountryCode ***//
TextBox txtCountryCode = (TextBox)(myDetailsView.FindControl("txtEditCountryCode"));
//*** Budget ***//
TextBox txtBudget = (TextBox)(myDetailsView.FindControl("txtEditBudget"));
//*** Used ***//
TextBox txtUsed = (TextBox)(myDetailsView.FindControl("txtEditUsed"));
strSQL = "UPDATE customer SET CustomerID = '" + txtCustomerID.Text + "' " +
" ,Name = '" + txtName.Text + "' " +
" ,Email = '" + txtEmail.Text + "' " +
" ,CountryCode = '" + txtCountryCode.Text + "' " +
" ,Budget = '" + txtBudget.Text + "' " +
" ,Used = '" + txtUsed.Text + "' " +
" WHERE CustomerID = '" + strCusID + "'";
objCmd = new SqlCommand(strSQL, objConn);
objCmd.ExecuteNonQuery();
myDetailsView.ChangeMode(DetailsViewMode.ReadOnly);
BindData();
}
protected void myDetailsView_ModeChanging(object sender, DetailsViewModeEventArgs e)
{
switch (e.NewMode)
{
case DetailsViewMode.Edit:
myDetailsView.ChangeMode(DetailsViewMode.Edit);
break;
case DetailsViewMode.ReadOnly:
myDetailsView.ChangeMode(DetailsViewMode.ReadOnly);
break;
case DetailsViewMode.Insert:
myDetailsView.ChangeMode(DetailsViewMode.Insert);
break;
}
BindData();
}
}
Screenshot
ASP.NET & System.Data.SqlClient
ASP.NET & SQL Server
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 ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท
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By : |
ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ) |
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Score Rating : |
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Create/Update Date : |
2009-09-22 19:32:34 /
2017-03-28 21:34:16 |
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