<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.OleDb"%>
<%@ Page Language="VB" %>
<script runat="server">
Sub Page_Load(sender As Object, e As EventArgs)
Dim dt As DataTable
'*** DataSet To DataTable ***'
'dt = CreateDsToDt()
'*** DataTable ***'
'dt = CreateDataTable()
'*** DataSet ***'
dt = CreateDataSet.Tables(0) '*** Convert DataSet to DataTable ***'
'*** TableRows ***'
'dt = DataTableRows()
'*** BindData to GridView ***'
myGridView.DataSource = dt
myGridView.DataBind()
End Sub
'*** DataTable ***'
Function CreateDataTable() As DataTable
Dim objConn As New OleDbConnection
Dim dtAdapter As OleDbDataAdapter
Dim dt As New DataTable
Dim strConnString As String
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="&Server.MapPath("database/mydatabase.mdb")&";"
objConn = New OleDbConnection(strConnString)
objConn.Open()
Dim strSQL As String
strSQL = "SELECT * FROM customer"
dtAdapter = New OleDbDataAdapter(strSQL, objConn)
dtAdapter.Fill(dt)
dtAdapter = Nothing
objConn.Close()
objConn = Nothing
Return dt '*** Return DataTable ***'
End Function
'*** DataSet ***'
Function CreateDataSet() As DataSet
Dim objConn As New OleDbConnection
Dim objCmd As New OleDbCommand
Dim dtAdapter As New OleDbDataAdapter
Dim ds As New DataSet
Dim strConnString,strSQL As String
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="&Server.MapPath("database/mydatabase.mdb")&";"
strSQL = "SELECT * FROM customer"
objConn.ConnectionString = strConnString
With objCmd
.Connection = objConn
.CommandText = strSQL
.CommandType = CommandType.Text
End With
dtAdapter.SelectCommand = objCmd
dtAdapter.Fill(ds)
dtAdapter = Nothing
objConn.Close()
objConn = Nothing
Return ds '*** Return DataSet ***'
End Function
'*** DataSet To DataTable ***'
Function CreateDsToDt() As DataTable
Dim objConn As New OleDbConnection
Dim objCmd As New OleDbCommand
Dim dtAdapter As New OleDbDataAdapter
Dim ds As New DataSet
Dim dt As DataTable
Dim strConnString,strSQL As String
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="&Server.MapPath("database/mydatabase.mdb")&";"
strSQL = "SELECT * FROM customer"
objConn.ConnectionString = strConnString
With objCmd
.Connection = objConn
.CommandText = strSQL
.CommandType = CommandType.Text
End With
dtAdapter.SelectCommand = objCmd
dtAdapter.Fill(ds)
dt = ds.Tables(0)
dtAdapter = Nothing
objConn.Close()
objConn = Nothing
Return dt '*** Return DataTable ***'
End Function
'*** TableRows (DataTable) ***'
Function DataTableRows() As DataTable
Dim dt As New DataTable
Dim dr As DataRow
'*** 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 ***'
End Function
</script>
<html>
<head>
<title>ThaiCreate.Com ASP.NET - GridView</title>
</head>
<body>
<form id="form1" runat="server">
<asp:GridView id="myGridView" runat="server">
</asp:GridView>
</form>
</body>
</html>
Load balance : Server 03
