GetName Method (MySqlDataReader)

In This Topic

Gets the name of the specified column.

Syntax

Visual Basic
C#

'Declaration
 
Public Overrides Function GetName( _
   ByVal i As Integer _
) As String

public override string GetName( 
   int i
)

Parameters

i: The zero-based column ordinal.

Return Value

A string that is the name of the specified column.

Example

This sample shows how to retrieve names and types of all columns in a table.

csharp

public void GetFields(MySqlConnection myConnection)
{
  MySqlCommand cmd = new MySqlCommand("SELECT * FROM Test.Dept");
  cmd.Connection = myConnection;
  myConnection.Open();
  try
  {
    MySqlDataReader 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
  {
    myConnection.Close();
  }
}

Visual Basic

Public Sub GetFields(ByVal myConnection As MySqlConnection
  Dim cmd As MySqlCommand = New MySqlCommand("SELECT * FROM Test.Dept")
  cmd.Connection = myConnection
  myConnection.Open()
  Try
    Dim reader As MySqlDataReader = 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)
      Console.WriteLine(fieldName & " " & fieldType)
    Next i
    reader.Close()
  Finally
    myConnection.Close()
  End Try
End Sub

Reference

MySqlDataReader Class
MySqlDataReader Members
GetFieldType Method

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