martgriff
asked on
Connecting to an ODBC DNS Data Source
I am trying to connect to an Access mdb file using ODBC DNS, Can you please take alook at the code attched and see if you can see where im going wrong.
when i run the web app and press the button that calls the conection i get the following error on "conn.ConnectionString = strConnectionString;":
An OLE DB Provider was not specified in the ConnectionString. An example would be, 'Provider=SQLOLED
All commects welcome................... ......
when i run the web app and press the button that calls the conection i get the following error on "conn.ConnectionString = strConnectionString;":
An OLE DB Provider was not specified in the ConnectionString. An example would be, 'Provider=SQLOLED
All commects welcome...................
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb; // added library
using Microsoft.Data.Odbc; //added libary
namespace WebApplication1
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnGo_Click(object sender, EventArgs e)
{
// set the connection string
//note: the @ symbol is needed before the string to prevent from having to use double back slashes
string strConnectionString = "@DNS=PHJ;Uid=;Pwd=;";
// get the search contents
string strSearchValue = txtSearch.Text;
// create the sql query using the search value - note: access over oledb requires square brackets round table name
string strSql = "SELECT OrderID, ServiceID FROM [Order2Service] WHERE ServiceID LIKE '%" + strSearchValue + "%';";
// create a new connection object
OleDbConnection conn = new OleDbConnection();
// set the connection string from the global variable
conn.ConnectionString = strConnectionString;
// create a new command object using the connection
OleDbCommand command = new OleDbCommand();
command = conn.CreateCommand();
command.CommandText = strSql; // set the sql query
// create the dataset
DataSet ds = new DataSet();
// set and run the query - the adaptor executes the command against the database set in the command
OleDbDataAdapter adapter = new OleDbDataAdapter();
adapter = new OleDbDataAdapter(command);
adapter.Fill(ds);
// bind and show the results in the grid
grdResults.DataSource = ds.Tables[0];
grdResults.DataBind();
}
}
}
DSN not dns
Example connection strings can be found here: -
http://www.connectionstrings.com/?carrier=access
http://www.connectionstrings.com/?carrier=access
ASKER
I have been on that website and if you look at my code i have put what they recommed but it is still failing, i have never connected to an DSN before so im not sure if there is somthing else missing?
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