title: InvalidArgument=Value of '3' is not valid for 'rowIndex'
body: <p>This is my code It is working for if 1 terminal that is having 3 services but it is not working for more than 3 services when I do then I have got following error message:</p>
  
  <p>InvalidArgument=Value of '3' is not valid for 'rowIndex'</p>
  
  <p>I have so tired to find this problem but couldn't get any solutions.
  Anybody please help me.</p>
  
  <pre><code>MySqlCommand command = new MySqlCommand("VTerminalsLoad");//Procedure
  MySqlDataAdapter terminalAdapter = this.Database.ExecuteCommand(command);
  terminalAdapter.Fill(dataSet, "Terminals");
  
  command = new MySqlCommand("VTServicesLoad");//Procedure
  command.Parameters.Add(new MySqlParameter("pVesselID", 1));
  MySqlDataAdapter serviceAdapter = this.Database.ExecuteCommand(command);//Return Adaptor
  serviceAdapter.Fill(dataSet, "Services");
  
  DataColumn[] parentColumns = { dataSet.Tables[0].Columns["SerialNo"], 
               dataSet.Tables[0].Columns["VesselID"], 
               dataSet.Tables[0].Columns["TerminalID"] };
  
  DataColumn[] childColumns = { dataSet.Tables[1].Columns["SerialNo"], 
               dataSet.Tables[1].Columns["VesselID"], 
               dataSet.Tables[1].Columns["TerminalID"] };
  
  DataRelation relationTS = new DataRelation("TerminalsServices", parentColumns, childColumns);
  dataSet.Relations.Add(relationTS);
  
  //Parent Table
  ListTerminal.DataSource = dataSet;      //ListTerminal Parent datagridview  
  ListTerminal.DataMember = "Terminals";
  
  //Child Table
  ListServices.DataSource = dataSet;// ListServices Child datagridview
  ListServices.DataMember = "Terminals.TerminalsServices";
  </code></pre>