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Devart.Common Namespace / DbDataTable Class / MaxRecords Property
Example

MaxRecords Property
Gets or sets max number of records to fetch starting from StartRecord.
Syntax
'Declaration
 
Public Property MaxRecords As Integer
 

Property Value

Max number of records to fetch starting from StartRecord.
Remarks

StartRecord and MaxRecords take effect only when DbDataTable is opened using the Active property or the Open method.

Another way to access only a subset of rows is to use FillPage method.

Assigning a value to this property invokes the fill operation.

Example
This sample shows how to access only a part of dataset returned by a query.
static void FillDataTable(DbDataTable myDataTable, IDbConnection myConnection)
{
  myDataTable.Connection = myConnection;
  myDataTable.SelectCommand = myConnection.CreateCommand();
  myDataTable.SelectCommand.CommandText = "SELECT EmpNo, EName FROM Test.Emp";
  myDataTable.StartRecord = 0;
  myDataTable.MaxRecords = 10;
  try
  {
    myDataTable.Active = true;
    foreach(DataRow myRow in myDataTable.Rows)
    {
      foreach(DataColumn myCol in myDataTable.Columns)
      {
        Console.Write(myRow[myCol]+"\t");
      }
      Console.WriteLine();
    }
  }
  finally
  {
    myDataTable.Clear();
  }
}
Public Sub FillDataTable(ByVal myDataTable As DbDataTable, ByVal myConnection As IDbConnection)
  Try
    myDataTable.Connection = myConnection
    myDataTable.SelectCommand = myConnection.CreateCommand()
    myDataTable.SelectCommand.CommandText = "SELECT EmpNo, EName FROM Test.Emp"
    myDataTable.StartRecord = 0
    myDataTable.MaxRecords = 10
    myDataTable.Active = True
    Dim myRow As DataRow
    Dim myCol As DataColumn
    For Each myRow In myDataTable.Rows
      For Each myCol In myDataTable.Columns
        Console.Write(myRow(myCol) & Chr(9))
      Next myCol
      Console.WriteLine()
    Next myRow
  Finally
    myDataTable.Clear()
  End Try
End Sub
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also