Mega Code Archive

 
Categories / ASP.Net / ADO Database
 

Read data from OleDbConnection (VB net)

<%@ import Namespace="System.Data" %> <%@ import Namespace="System.Data.Oledb" %> <script language="vb" runat="server"> Sub Page_Load()   Dim strConnection as String = "Provider=Microsoft.Jet.OLEDB.4.0;"     strConnection += "Data Source=Northwind.mdb"     data_src.text = strConnection   Dim strSQL as string = "SELECT FirstName, LastName FROM Employees"   Dim strResultsHolder as string   Dim objConnection as New OledbConnection(strConnection)   Dim objCommand as New OledbCommand(strSQL, objConnection)   Dim objDataReader as OledbDataReader   try     objConnection.Open()     con_open.text="Connection opened successfully.<br />"   objDataReader = objCommand.ExecuteREader()   Do While objDataReader.Read()=True     strResultsHolder +=objDataREader("FirstName")     strResultsHolder +="&nbsp;"     strResultsHolder +=objDataREader("LastName")     strResultsHolder +="<br>"   Loop   objDataReader.Close()     objConnection.Close()     con_close.text="Connection closed.<br>"   divListEmployees.innerHTML = strResultsHolder   catch e as Exception     con_open.text="Connection failed to open successfully.<br>"     con_close.text=e.ToString()   end try end Sub </script> <html>   <body>   <h4>Reading data from the connection    <asp:label id="data_src" runat="server"/> with the DataReader object.</h4>   <asp:label id="con_open" runat="server"/><br>   <div id="divListEmployees" runat="server">list will go here</div>   <asp:label id="con_close" runat="server"/><br>   </body> </html>