dotConnect for Zoho Books Documentation
Devart.Data Namespace / SqlShimDataReader Class / GetDataTypeName Method / GetDataTypeName(Int32) Method
The zero-based column ordinal.
Example

In This Topic
    GetDataTypeName(Int32) Method
    In This Topic
    Gets the name of the source data type.
    Syntax
    'Declaration
     
    Public Overloads Overrides Function GetDataTypeName( _
       ByVal ordinal As Integer _
    ) As String
    public override string GetDataTypeName( 
       int ordinal
    )

    Parameters

    ordinal
    The zero-based column ordinal.

    Return Value

    The name of the back-end data type.
    Example
    This sample shows how to retrieve names and types of all columns in a table.
    public void GetFields(ZohoBooksConnection ZohoBooksConnection)
    {
      ZohoBooksCommand cmd = new ZohoBooksCommand("SELECT * FROM Accounts");
      cmd.Connection = ZohoBooksConnection;
      ZohoBooksConnection.Open();
      try
      {
        ZohoBooksDataReader reader = cmd.ExecuteReader();
        reader.Read();
        for (int i=0;i < reader.FieldCount;i++)
        {
          string fieldType = reader.GetDataTypeName(i);
          string fieldName = reader.GetName(i);
          string fieldType2 = reader.GetFieldType(i).FullName;
          Console.WriteLine(fieldName+"\t"+ fieldType+"\t"+ fieldType2);
        }        
        reader.Close();
      }
      finally
      {
        ZohoBooksConnection.Close();
      }
    }
    Public Sub GetFields(ByVal ZohoBooksConnection As ZohoBooksConnection)
      Dim cmd As ZohoBooksCommand = New ZohoBooksCommand("SELECT * FROM Accounts")
      cmd.Connection = ZohoBooksConnection
      ZohoBooksConnection.Open()
      Try
        Dim reader As ZohoBooksDataReader = cmd.ExecuteReader()
        reader.Read()
        Dim i As Integer
        For i = 0 To reader.FieldCount - 1
          Dim fieldType As String = reader.GetDataTypeName(i)
          Dim fieldName As String = reader.GetName(i)
          Dim fieldType2 As String = reader.GetFieldType(i).FullName
          Console.WriteLine(fieldName & Chr(9) & fieldType & Chr(9) & fieldType2)
        Next i
        reader.Close()
      Finally
        ZohoBooksConnection.Close()
      End Try
    End Sub
    See Also