Add(String,MySqlType,Int32,String) Method

In This Topic

Adds a MySqlParameter to the MySqlParameterCollection given the parameter name, data type, column width, and source column name.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Function Add( _
   ByVal parameterName As String, _
   ByVal dbType As MySqlType, _
   ByVal size As Integer, _
   ByVal sourceColumn As String _
) As MySqlParameter

public MySqlParameter Add( 
   string parameterName,
   MySqlType dbType,
   int size,
   string sourceColumn
)

Parameters

parameterName: The name of the parameter.
dbType: One of the MySqlType values.
size: The maximum size, in bytes, of the data the parameter can contain.
sourceColumn: The name of the source column.

Return Value

The new MySqlParameter object.

Example

The following example creates a MySqlParameterCollection, adds instances of MySqlParameter to the collection, and returns a reference to the new MySqlParameter.

csharp

public void CreateMySqlParamColl(MySqlConnection myConn) {
  MySqlCommand myCommand = new MySqlCommand("SELECT * FROM Test.Dept WHERE DeptNo = :DeptNo", myConn);
  MySqlParameterCollection myParamCollection = myCommand.Parameters;
  MySqlParameter myNewParameter = myParamCollection.Add("DeptNo", MySqlType.Int, 40, "DeptNo");
}

Visual Basic

Public Sub CreateMySqlParamColl(myConn As MySqlConnection)
  Dim myCommand As MySqlCommand = New MySqlCommand("SELECT * FROM Test.Dept WHERE DeptNo = :DeptNo", myConn)
  Dim myParamCollection As MySqlParameterCollection = myCommand.Parameters
  Dim myNewParameter As MySqlParameter = myParamCollection.Add("DeptNo", MySqlType.Int, 40, "DeptNo")
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

MySqlParameterCollection Class
MySqlParameterCollection Members
Overload List

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