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using System;
using System.Data;
using System.Data.Odbc;
using System.Web;
using System.Configuration;
namespace DataConnection
{
/// <summary>
/// DataBase Connection Class.
/// </summary>
public class DbConn
{
// Create a database Connection. using here Access Database
// Return type object of OdbcConnection
public OdbcConnection connection;
public OdbcDataReader ReadData;
public OdbcCommand aCommand;
/// <summary>
/// Data Connection and get Data Reader
/// </summary>
/// <param name="strQuery">SQL Query</param>
public DbConn(string strQuery)
{
// MS Access DataBase Connection - Defined in Web.Config
string connectionName = "MSAccessConnection";
// SQL Server DataBase Connection - Defined in Web.Config
//string connectionName = "SQLServerConnection";
// Creating Connection string using web.config connection string
string ConnectionString = ConfigurationManager.ConnectionStrings[connectionName].ConnectionString;
try
{
// create connection object
connection = new OdbcConnection();
// set connection string
connection.ConnectionString = ConnectionString;
// open connection
connection.Open();
// get reader
GetReader(strQuery);
}
catch (Exception e)
{
HttpContext.Current.Response.Write(e.Message.ToString());
}
}
// Create an instance dataReader
// Return type object of OdbcDataReader
/// <summary>
/// Get Data Reader
/// </summary>
/// <param name="strQuery">SQL Query</param>
public void GetReader(string strQuery)
{
// Create a Command object
aCommand = new OdbcCommand(strQuery, connection);
// Create data reader object using strQuery string
// Auto close connection
ReadData = aCommand.ExecuteReader(CommandBehavior.CloseConnection);
}
}
}
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