GetMySqlText(String) Method

In This Topic

Gets the value of the specified column as a MySqlText object.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Function GetMySqlText( _
   ByVal name As String _
) As MySqlText

public MySqlText GetMySqlText( 
   string name
)

Parameters

name: The name of the column to get value of.

Return Value

The value of the specified column as a MySqlText object.

Example

This example shows how to download a TEXT field from a table using GetMySqlBlob method.

csharp

public void DownloadSqlText(MySqlConnection myConnection)
{
  myConnection.Unicode = true;
  MySqlCommand myCommand = new MySqlCommand("SELECT * FROM Test.TextBlocks", myConnection);
  myConnection.Open();
  MySqlDataReader myReader = myCommand.ExecuteReader(CommandBehavior.Default);
  try
  {
    while (myReader.Read())
    {
      MySqlText myTextSql = myReader.GetMySqlText(myReader.GetOrdinal("BlockContent"));
      if(!myTextSql.IsNull)
      {
        Console.WriteLine(myTextSql.Value);
      }
    }
  }
  finally
  {
    myReader.Close();
    myConnection.Close();
  }
}

Visual Basic

Public Sub UploadSqlText(ByVal myConnection As MySqlConnection)
  myConnection.Unicode = True
  Dim myTextSql As MySqlText = New MySqlText("This is a test text block")
  Dim myCommand As MySqlCommand = New MySqlCommand("INSERT INTO Test.TextBlocks (BlockID, BlockName, BlockContent) VALUES(3,'First',:BlockText)", myConnection)
  myCommand.Parameters.Add("BlockText", myTextSql)
  myConnection.Open()
  Try
    Console.WriteLine(String.Concat(myCommand.ExecuteNonQuery(), " rows affected."))
  Finally
    myConnection.Close()
  End Try
End Sub

Public Sub DownloadSqlText(ByVal myConnection As MySqlConnection)
  myConnection.Unicode = True
  Dim myCommand As New MySqlCommand("SELECT * FROM Test.TextBlocks", myConnection)
  myConnection.Open()
  Dim myReader As MySqlDataReader = myCommand.ExecuteReader(CommandBehavior.Default)
  Try
    While myReader.Read()
      Dim myTextSql As MySqlText = myReader.GetMySqlText(myReader.GetOrdinal("BlockContent"))
      If Not myTextSql.IsNull Then
        Console.WriteLine(myTextSql.Value)
      End If
    End While
  Finally
    myReader.Close()
    myConnection.Close()
  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

Reference

MySqlDataReader Class
MySqlDataReader Members
Overload List
MySqlText Class

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