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.NET SQLCe Exporting Table Data

Posted on 2003-10-24
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Last Modified: 2012-06-22
Hi, does anyone know how to export table data from SQLCe into a file?

Thanks.
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Question by:SwitchStance
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4 Comments
 
LVL 1

Expert Comment

by:LastResort
ID: 9620275
You can persist a dataset with [DataSet].WriteXml([Filename]} type stuff. Persisting a table seems overly complex to me.
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Accepted Solution

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lyptus earned 160 total points
ID: 9899409
Here is code I used to write sqlce data to a text file
if (File.Exists("\\My Documents\\Orders.txt"))
{
     File.Delete("\\My Documents\\Orders.txt");
}
     try
      {
      FileStream myFileStream = File.Create("\\My Documents\\Orders.txt");
      StreamWriter writer = new StreamWriter(myFileStream);
                        
      SqlCeConnection cn = new SqlCeConnection(@"Data Source=\My Documents\Growth.sdf");
      cn.Open();
string SQL = "SELECT OrderID, CustomerID, EmployeeID, OrderDate, Paid, Method, Delivered, PaidDate, CheckNum From rdaOrdersErrors";
      SqlCeCommand cmd = new SqlCeCommand(SQL,cn);
      cmd.CommandType = CommandType.Text;
                        
                  
      SqlCeDataReader dtr = cmd.ExecuteReader( CommandBehavior.Default);
      while ( dtr.Read() )
      {
           writer.WriteLine("Order ID: " + dtr.GetInt64(0));
            //long orderid = (dtr.GetInt64(0));
            //writer.WriteLine(orderid);
            writer.WriteLine("Customer ID: " + dtr.GetInt32(1).ToString());
            //writer.WriteLine(dtr.GetInt32(1).ToString());
            writer.WriteLine("Employee ID: " + dtr.GetInt32(2).ToString());
            writer.WriteLine("Order Date: " + dtr.GetDateTime(3).ToShortDateString());
            writer.WriteLine("Paid: " + dtr.GetString(4));
            writer.WriteLine("Method: " + dtr.GetString(5));
            writer.WriteLine("Delivered: " + dtr.GetString(6));
            writer.WriteLine("Paid Date: " + dtr.GetDateTime(7).ToShortDateString());
            writer.WriteLine("Check Num: " + dtr.GetInt32(8).ToString());
                              
      }
      cn.Close();
      writer.Close();
      }
      catch (IOException ioe)
      {
               MessageBox.Show("IO Exception: " + ioe.ToString());
      }
Hope this helps
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Author Comment

by:SwitchStance
ID: 9909458
lyptus, thanks for the reply. However, it came a little too late. I used a web-service to export each line of data and just left this question open in case someone came up with a better way.

Thanks for sharing.
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LVL 5

Expert Comment

by:LarcenIII
ID: 33910996
Well wanna share what web service you used? That sure would help me!
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