(C#) ASP.NET ListView Control - DataSet,DataTable,TableRows |
(C#) ASP.NET ListView Control - DataSet,DataTable,TableRows การแสดงผลใน ListView ความของสามารถของคอนโทรล ListView สามารถอ่านข้อมูลในรูปแบบของ DataReader , DataSet และ DataTable ทั้งนี้เพื่อความหลากหลายของข้อมูลที่ผู้ใช้ได้นำมาเข้าในระบบ ในตัวอย่างนี้ผมได้ยกตัวอย่างการใช้งานในรูปแบบต่าง ๆ
Language Code : VB.NET || C#
Framework : 1,2,3,4
ListViewDataSetDataTable.aspx
<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.OleDb"%>
<%@ Page Language="C#" Debug="true" %>
<script runat="server">
void Page_Load(object sender,EventArgs e)
{
DataTable dt;
//*** DataSet To DataTable ***//
dt = CreateDsToDt();
//*** DataTable ***//
//dt = CreateDataTable();
//*** DataSet ***//
//DataSet ds;
//ds = CreateDataSet();
//dt = ds.Tables[0]; //*** Convert DataSet to DataTable ***//
//*** TableRows ***//
//dt = DataTableRows();
//*** BindData to ListView ***//
myListView.DataSource = dt;
myListView.DataBind();
}
//*** DataTable ***//
protected DataTable CreateDataTable()
{
System.Data.OleDb.OleDbConnection objConn = new System.Data.OleDb.OleDbConnection();
System.Data.OleDb.OleDbDataAdapter dtAdapter = new System.Data.OleDb.OleDbDataAdapter();
DataTable dt = new DataTable();
String strConnString;
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +
Server.MapPath("database/mydatabase.mdb")+";Jet OLEDB:Database Password=;";
objConn = new System.Data.OleDb.OleDbConnection(strConnString);
objConn.Open();
String strSQL;
strSQL = "SELECT * FROM customer";
dtAdapter = new System.Data.OleDb.OleDbDataAdapter(strSQL, objConn);
dtAdapter.Fill(dt);
dtAdapter = null;
objConn.Close();
objConn = null;
return dt; //*** Return DataTable ***//
}
//*** DataSet ***//
protected DataSet CreateDataSet()
{
System.Data.OleDb.OleDbConnection objConn = new System.Data.OleDb.OleDbConnection();
System.Data.OleDb.OleDbCommand objCmd = new System.Data.OleDb.OleDbCommand();
System.Data.OleDb.OleDbDataAdapter dtAdapter = new System.Data.OleDb.OleDbDataAdapter();
DataSet ds= new DataSet();
String strConnString,strSQL;
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +
Server.MapPath("database/mydatabase.mdb")+";Jet OLEDB:Database Password=;";
strSQL = "SELECT * FROM customer ";
objConn.ConnectionString = strConnString;
objCmd.Connection = objConn;
objCmd.CommandText = strSQL;
objCmd.CommandType = CommandType.Text;
dtAdapter.SelectCommand = objCmd;
dtAdapter.Fill(ds);
dtAdapter = null;
objConn.Close();
objConn = null;
return ds; //*** Return DataSet ***//
}
//*** DataSet to DataTable ***//
protected DataTable CreateDsToDt()
{
System.Data.OleDb.OleDbConnection objConn = new System.Data.OleDb.OleDbConnection();
System.Data.OleDb.OleDbCommand objCmd = new System.Data.OleDb.OleDbCommand();
System.Data.OleDb.OleDbDataAdapter dtAdapter = new System.Data.OleDb.OleDbDataAdapter();
DataSet ds = new DataSet();
DataTable dt;
String strConnString,strSQL;
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +
Server.MapPath("database/mydatabase.mdb")+";Jet OLEDB:Database Password=;";
strSQL = "SELECT * FROM customer";
objConn.ConnectionString = strConnString;
objCmd.Connection = objConn;
objCmd.CommandText = strSQL;
objCmd.CommandType = CommandType.Text;
dtAdapter.SelectCommand = objCmd;
dtAdapter.Fill(ds);
dt = ds.Tables[0];
dtAdapter = null;
objConn.Close();
objConn = null;
return dt; //*** Return DataTable ***//
}
//*** TableRows (DataTable) ***//
protected DataTable DataTableRows()
{
DataTable dt = new DataTable();
DataRow dr;
//*** Column ***//
dt.Columns.Add("CustomerID");
dt.Columns.Add("Name");
dt.Columns.Add("Email");
dt.Columns.Add("CountryCode");
dt.Columns.Add("Budget");
dt.Columns.Add("Used");
//*** Rows ***//
dr = dt.NewRow();
dr["CustomerID"] = "C001";
dr["Name"] = "Win Weerachai";
dr["Email"] = "[email protected]";
dr["CountryCode"] = "TH";
dr["Budget"] = "1000000";
dr["Used"] = "600000";
dt.Rows.Add(dr);
//*** Rows ***//
dr = dt.NewRow();
dr["CustomerID"] = "C002";
dr["Name"] = "John Smith";
dr["Email"] = "[email protected]";
dr["CountryCode"] = "EN";
dr["Budget"] = "2000000";
dr["Used"] = "800000";
dt.Rows.Add(dr);
//*** Rows ***//
dr = dt.NewRow();
dr["CustomerID"] = "C003";
dr["Name"] = "Jame Born";
dr["Email"] = "[email protected]";
dr["CountryCode"] = "US";
dr["Budget"] = "3000000";
dr["Used"] = "600000";
dt.Rows.Add(dr);
//*** Rows ***//
dr = dt.NewRow();
dr["CustomerID"] = "C004";
dr["Name"] = "Chalee Angel";
dr["Email"] = "[email protected]";
dr["CountryCode"] = "US";
dr["Budget"] = "4000000";
dr["Used"] = "100000";
dt.Rows.Add(dr);
return dt; //*** Return DataTable ***//
}
</script>
<html>
<head>
<title>ThaiCreate.Com ASP.NET - ListView</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ListView ID="myListView" runat="server" DataKeyNames="CustomerID">
<LayoutTemplate>
<table>
<tr>
<td>
<table runat="server" border="1">
<tr>
<th runat="server">
CustomerID</th>
<th runat="server">
Name</th>
<th runat="server">
Email</th>
<th runat="server">
CountryCode</th>
<th runat="server">
Budget</th>
<th runat="server">
Used</th>
</tr>
<tr ID="itemPlaceholder" runat="server">
</tr>
</table>
</td>
</tr>
</table>
</LayoutTemplate>
<ItemTemplate>
<tr>
<td>
<asp:Label ID="lblCustomerID" runat="server" Text='<%# Eval("CustomerID") %>' />
</td>
<td>
<asp:Label ID="lblName" runat="server" Text='<%# Eval("Name") %>' />
</td>
<td>
<asp:Label ID="lblEmail" runat="server" Text='<%# Eval("Email") %>' />
</td>
<td>
<asp:Label ID="lblCountryCode" runat="server" Text='<%# Eval("CountryCode") %>' />
</td>
<td>
<asp:Label ID="lblBudget" runat="server" Text='<%# Eval("Budget") %>' />
</td>
<td>
<asp:Label ID="lblUsed" runat="server" Text='<%# Eval("Used") %>' />
</td>
</tr>
</ItemTemplate>
</asp:ListView>
</form>
</body>
</html>
Screenshot
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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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Create/Update Date : |
2009-08-09 17:05:52 /
2009-08-09 18:27:51 |
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