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Public Function GetCompletionList(ByVal prefixText As String, ByVal count As Integer) As String()
Dim myConnection As OleDbConnection
Dim myCommand As OleDbCommand
Dim dbname As String
dbname = Server.MapPath("location.accdb")
myConnection = New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;DATA Source=" & dbname)
myConnection.Open()
Dim list As New List(Of String)
myCommand = New OleDbCommand("SELECT DISTINCT(columnName) from tableName WHERE columnName LIKE '" + prefixText & "%" + "'", myConnection)
Dim reader As OleDbDataReader = myCommand.ExecuteReader()
Do While reader.Read
list.Add(reader.GetString(0))
Loop
Return list.ToArray()
End Function
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<asp:TextBox ID="txtNo" runat="server" autopostback="true" Columns="50"></asp:TextBox>
<ajaxToolkit:AutoCompleteExtender ID="txtNo_AutoCompleteExtender" runat="server" Enabled="True" ServiceMethod="GetCompletionList" ServicePath="aaa.asmx" TargetControlID="txtNo" MinimumPrefixLength="1" EnableCaching ="true">
</ajaxToolkit:AutoCompleteExtender>
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<asp:TextBox ID="txtDate" runat="server" Columns="24"></asp:TextBox>
<ajaxToolkit:CalendarExtender ID="txtDate_CalendarExtender" runat="server" Enabled="True" TargetControlID="txtDate">
</ajaxToolkit:CalendarExtender>
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