ถามเรื่องการส่งค่าข้าม page ครับ...ตอนนี้ใช้ C#.net อยุ่ครับ จะถามเรื่อง การส่งค่าข้าม page
ที่ gridview ต้องกำหนด datakeyname
Date :
2010-06-25 08:50:19By :
tungman
งงอะครับ - -* นี่ code ผมอะครับCode (C#)WebForm3.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm3.aspx.cs" Inherits="Test.WebForm3" %>
<!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 runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="ID"
DataSourceID="SqlDataSource1"
onselectedindexchanged="GridView1_SelectedIndexChanged">
<Columns>
<asp:BoundField DataField="ID" HeaderText="ID" ReadOnly="True"
SortExpression="ID" />
<asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
<asp:BoundField DataField="Sur" HeaderText="Sur" SortExpression="Sur" />
<asp:CommandField HeaderText="Sel/Edi/Del" ShowDeleteButton="True"
ShowEditButton="True" ShowSelectButton="True" />
</Columns>
</asp:GridView>
<asp:Label ID="la1" runat="server" Text="Label"></asp:Label>
<br />
<asp:Label ID="la2" runat="server" Text="Label"></asp:Label>
<br />
<asp:Label ID="la3" runat="server" Text="Label"></asp:Label>
<br />
<asp:Button ID="dele" runat="server" onclick="dele_Click" Text="Delete" />
<br />
<asp:Button ID="edit" runat="server" onclick="edit_Click" Text="Edit" />
</div>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:ProjectConnectionString %>"
SelectCommand="SELECT * FROM [Test]"></asp:SqlDataSource>
</form>
</body>
</html>
Date :
2010-06-25 22:06:48By :
recoilza
Code (C#)WebForm3.aspx.cs using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
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.Xml.Linq;
using System.Data.SqlClient;
using System.Web.Configuration;
namespace Test
{
public partial class WebForm3 : System.Web.UI.Page
{
string sqlConn = WebConfigurationManager.ConnectionStrings["ProjectConnectionString"].ConnectionString;
SqlConnection Conn = new SqlConnection();
SqlCommand sqlcom = new SqlCommand();
SqlDataAdapter da;
DataSet ds;
DataTable dt;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
GridViewRow row = GridView1.SelectedRow;
la1.Text = row.Cells[0].Text;
la2.Text = row.Cells[1].Text;
la3.Text = row.Cells[2].Text;
}
protected void dele_Click(object sender, EventArgs e)
{
//if (la1.Text == "1")
//{
// Response.Write("Please choose member for delete!!!");
//}
//else
//{
if (la1.Text != "")
{
int del = Convert.ToInt32(la1.Text);
Conn.ConnectionString = sqlConn;
Conn.Open();
string SqlDelMember = "DELETE FROM Test WHERE ID = " + del + "";
sqlcom.CommandType = CommandType.Text;
sqlcom.CommandText = SqlDelMember;
sqlcom.Connection = Conn;
sqlcom.ExecuteNonQuery();
Conn.Close();
Response.Redirect("~/WebForm3.aspx");
}
//}
}
protected void edit_Click(object sender, EventArgs e)
{
Session["ID"] = la1.Text;
Session["Name"] = la2.Text;
Session["Sur"] = la3.Text;
Response.Redirect("~/WebForm5.aspx");
}
}
}
Date :
2010-06-25 22:08:31By :
recoilza
หน้านี้ คือ หน้าที่ รับค่าจาก WebForm3 มาน่ะครับ Code (C#)WebForm5.aspx.cs using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
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.Xml.Linq;
using System.Data.SqlClient;
using System.Web.Configuration;
namespace Test
{
public partial class WebForm5 : System.Web.UI.Page
{
string sqlConn = WebConfigurationManager.ConnectionStrings["ProjectConnectionString"].ConnectionString;
SqlConnection Conn = new SqlConnection();
SqlCommand sqlcom = new SqlCommand();
SqlDataAdapter da;
DataSet ds;
DataTable dt;
protected void Page_Load(object sender, EventArgs e)
{
String id = (string)Session["ID"];
txt1.Text = id;
String name = (string)Session["Name"];
txt2.Text = name;
String Sur = (string)Session["Sur"];
txt3.Text = Sur;
// tx1.Text = txt1.Text;
}
protected void bt1_Click(object sender, EventArgs e)
{
Conn.ConnectionString = sqlConn;
Conn.Open();
string SqlChgStatus = "UPDATE Test SET Name = '" + txt2.Text + "', Sur = '" + txt3.Text + "' WHERE ID = " + txt1.Text + "";
sqlcom.CommandType = CommandType.Text;
sqlcom.CommandText = SqlChgStatus;
sqlcom.Connection = Conn;
sqlcom.ExecuteNonQuery();
Conn.Close();
Response.Redirect("~/WebForm3.aspx");
}
}
}
Date :
2010-06-25 22:09:54By :
recoilza
ไม่เห็นจะน่างงตรงไหนเลยGridviewData.cs using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Web.Configuration;
/// <summary>
/// Summary description for GridviewData
/// </summary>
public class GridviewData
{
SqlConnection sqlConnection;
public GridviewData()
{
//
// TODO: Add constructor logic here
//
string sqlConnectionString = WebConfigurationManager.ConnectionStrings["ProjectConnectionString"].ConnectionString;
sqlConnection = new SqlConnection(sqlConnectionString);
if (!TableExist())
CreateTable();
}
public DataTable GetAllData()
{
string sqlCommandString = "Select [ID], [Name], [SurName] From [Tungman]";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
DataTable Dt = new DataTable();
SqlDataAdapter dataAdapter = new SqlDataAdapter();
dataAdapter.SelectCommand = sqlCommand;
dataAdapter.Fill(Dt);
return Dt;
}
public DataTable GetData(int ID)
{
string sqlCommandString = "Select [ID], [Name], [SurName] From [Tungman] Where [ID]=@ID";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
sqlCommand.Parameters.AddWithValue("@ID", ID);
DataTable Dt = new DataTable();
SqlDataAdapter dataAdapter = new SqlDataAdapter();
dataAdapter.SelectCommand = sqlCommand;
dataAdapter.Fill(Dt);
return Dt;
}
public void AddData()
{
string sqlCommandString = "Insert Into [Tungman] ([Name], [SurName]) Values (@Name, @SurName)";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
sqlCommand.Parameters.AddWithValue("@Name", "AddNew");
sqlCommand.Parameters.AddWithValue("@SurName", "www.thaicreate.com");
sqlConnection.Open();
sqlCommand.ExecuteNonQuery();
sqlConnection.Close();
}
public void UpdateData(int ID, string Name, string SurName)
{
string sqlCommandString = "Update [Tungman] Set [Name]=@Name, [SurName]=@SurName Where [ID]=@ID";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
sqlCommand.Parameters.AddWithValue("@Name", Name);
sqlCommand.Parameters.AddWithValue("@SurName", SurName);
sqlCommand.Parameters.AddWithValue("@ID", ID);
sqlConnection.Open();
sqlCommand.ExecuteNonQuery();
sqlConnection.Close();
}
public void DeleteData(int ID)
{
string sqlCommandString = "Delete From [Tungman] Where [ID]=@ID";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
sqlCommand.Parameters.AddWithValue("@ID", ID);
sqlConnection.Open();
sqlCommand.ExecuteNonQuery();
sqlConnection.Close();
}
private bool TableExist()
{
string sqlCommandString = "If Object_ID('Tungman', 'U') Is Not Null Select 'true' Else Select 'false'";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
sqlConnection.Open();
bool haveTable = Convert.ToBoolean(sqlCommand.ExecuteScalar());
sqlConnection.Close();
return haveTable;
}
private void CreateTable()
{
string sqlCommandString = "Create Table [Tungman] ([ID] int Identity(1,1) Primary Key Clustered, [Name] nvarchar(50), [SurName] nvarchar(50))";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
sqlConnection.Open();
sqlCommand.ExecuteNonQuery();
sqlConnection.Close();
FillData();
}
private void FillData()
{
DataTable Dt = new DataTable();
Dt.Columns.Add(new DataColumn("Name", typeof(string)));
Dt.Columns.Add(new DataColumn("SurName", typeof(string)));
for (int i = 0; i < 10; i++)
{
DataRow Dr = Dt.NewRow();
Dr["Name"] = string.Format("Tungman{0}", (i + 1).ToString());
Dr["SurName"] = "www.thaicreate.com";
Dt.Rows.Add(Dr);
}
string sqlCommandString = "Insert Into [Tungman] ([Name], [SurName]) Values (@Name, @SurName)";
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
sqlCommand.Parameters.Add("@Name", SqlDbType.NVarChar, 50, "Name");
sqlCommand.Parameters.Add("@SurName", SqlDbType.NVarChar, 50, "SurName");
SqlDataAdapter dataAdapter = new SqlDataAdapter();
dataAdapter.InsertCommand = sqlCommand;
dataAdapter.Update(Dt);
}
}
GridviewDemo.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridviewDemo.aspx.cs" Inherits="GridviewDemo" EnableEventValidation="false" %>
<!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 runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="AddButton" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="DeleteButton" EventName="Click" />
</Triggers>
<ContentTemplate>
<asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" GridLines="None">
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#D1DDF1" ForeColor="#333333" />
</asp:GridView>
</ContentTemplate>
</asp:UpdatePanel>
<br />
<asp:Button ID="AddButton" runat="server" Text="Add" />
<asp:Button ID="EditButton" runat="server" Text="Edit" />
<asp:Button ID="DeleteButton" runat="server" Text="Delete" />
</div>
</form>
</body>
</html>
GridviewDemo.aspx 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 GridviewDemo : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
GridviewData data = new GridviewData();
GridView1.DataSource = data.GetAllData();
GridView1.DataKeyNames = new string[] { "ID" };
GridView1.RowDataBound += new GridViewRowEventHandler(GridView1_RowDataBound);
GridView1.SelectedIndexChanged += new EventHandler(GridView1_SelectedIndexChanged);
GridView1.DataBind();
AddButton.Click += new EventHandler(AddButton_Click);
EditButton.Click += new EventHandler(EditButton_Click);
DeleteButton.Click += new EventHandler(DeleteButton_Click);
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onclick", Page.ClientScript.GetPostBackEventReference((GridView)sender, string.Format("Select${0}", e.Row.RowIndex.ToString())));
e.Row.Attributes.Add("onmouseover", "javascript:this.style.backgroundColor='#EFF3FB'; this.style.cursor='pointer'");
e.Row.Attributes.Add("onmouseout", "javascript:this.style.backgroundColor='#FFFFFF';");
}
}
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
GridView1.SelectedRow.Attributes.Clear();
}
protected void AddButton_Click(object sender, EventArgs e)
{
GridviewData data = new GridviewData();
data.AddData();
GridView1.SelectedIndex = -1;
GridView1.DataSource = data.GetAllData();
GridView1.DataBind();
}
protected void EditButton_Click(object sender, EventArgs e)
{
if (GridView1.SelectedIndex > 0)
Response.Redirect(string.Format("~/GridviewEdit.aspx?id={0}", GridView1.DataKeys[GridView1.SelectedIndex].Value.ToString()));
}
protected void DeleteButton_Click(object sender, EventArgs e)
{
if (GridView1.SelectedIndex > 0)
{
GridviewData data = new GridviewData();
data.DeleteData(int.Parse(GridView1.DataKeys[GridView1.SelectedIndex].Value.ToString()));
GridView1.SelectedIndex = -1;
GridView1.DataSource = data.GetAllData();
GridView1.DataBind();
}
}
}
GridviewEdit.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridviewEdit.aspx.cs" Inherits="GridviewEdit" %>
<!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 runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="Name: "></asp:Label>
<asp:TextBox ID="NameTextBox" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="*" ControlToValidate="NameTextBox"></asp:RequiredFieldValidator>
<br />
<asp:Label ID="Label2" runat="server" Text="SurName: "></asp:Label>
<asp:TextBox ID="SurNameTextBox" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="*" ControlToValidate="SurNameTextBox"></asp:RequiredFieldValidator>
<br />
<br />
<asp:Button ID="SaveButton" runat="server" Text="Save" />
<asp:Button ID="CancelButton" runat="server" Text="Cancel" />
</div>
</form>
</body>
</html>
GridviewEdit.aspx.cs 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 GridviewEdit : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (Request.QueryString["id"] != null)
{
GridviewData data = new GridviewData();
DataRow Dr = data.GetData(int.Parse(Request.QueryString["id"].ToString())).Rows[0];
if (!IsPostBack)
{
NameTextBox.Text = Dr["Name"].ToString();
SurNameTextBox.Text = Dr["SurName"].ToString();
}
}
else
{
SaveButton.Enabled = false;
}
SaveButton.Click += new EventHandler(SaveButton_Click);
CancelButton.OnClientClick = "javascript:history.go(-1); return false;";
}
protected void SaveButton_Click(object sender, EventArgs e)
{
GridviewData data = new GridviewData();
data.UpdateData(int.Parse(Request.QueryString["id"].ToString()), NameTextBox.Text, SurNameTextBox.Text);
Response.Redirect("~/GridviewDemo.aspx");
}
}
Date :
2010-06-26 01:22:50By :
tungman
แล้วถ้าจะให้แสดงเฉพาะ..USER ที่ล็ิิอกอิงล่ะค่ะ (USER ID เป็นตัวแปรรับค่าจาก SESSION มาเก็บไว้)
Date :
2010-07-23 10:00:34By :
ศรินญา
*กรอง
Date :
2010-07-23 10:01:27By :
ต่อ
รบกวนถามหน่อยค่ะ พี่ tung man สุดหล่อ
Date :
2010-07-30 09:53:53By :
pucca
ajax script ไม่ทำงานครับ แก้ด้วย
Date :
2010-07-30 09:58:11By :
tungman
ขอบคุณมากๆๆค่ะ
Date :
2010-07-30 10:13:21By :
pucca
Server 05
Load balance : Server 05
