Add(String,MySqlType,Int32,String) Method

In This Topic

Syntax
Example
See Also

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

Syntax

Visual Basic
C#

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

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

Parameters

parameterName: The name of the parameter.
dbType
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

Reference

MySqlParameterCollection Class
MySqlParameterCollection Members
Overload List

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