Add(String,SqlType,Int32,String) Method

In This Topic

Adds a SqlParameter to the SqlParameterCollection 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 SqlType, _
   ByVal size As Integer, _
   ByVal sourceColumn As String _
) As SqlParameter

public SqlParameter Add( 
   string parameterName,
   SqlType dbType,
   int size,
   string sourceColumn
)

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 SqlParameter object.

Example

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

csharp

public void CreateSqlParamColl(SqlConnection myConn) {
  SqlCommand myCommand = new SqlCommand("SELECT * FROM Test.Dept WHERE DeptNo = :DeptNo", myConn);
  SqlParameterCollection myParamCollection = myCommand.Parameters;
  SqlParameter myNewParameter = myParamCollection.Add("DeptNo", SqlType.Int, 40, "DeptNo");
}

Visual Basic

Public Sub CreateSqlParamColl(myConn As SqlConnection)
  Dim myCommand As SqlCommand = New SqlCommand("SELECT * FROM Test.Dept WHERE DeptNo = :DeptNo", myConn)
  Dim myParamCollection As SqlParameterCollection = myCommand.Parameters
  Dim myNewParameter As SqlParameter = myParamCollection.Add("DeptNo", SqlType.Int, 40, "DeptNo")
End Sub

Reference

SqlParameterCollection Class
SqlParameterCollection Members
Overload List

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