UniParameterCollection Class

In This Topic

Collects all parameters relevant to a UniCommand as well as their respective mappings to System.Data.DataSet columns.

Syntax

Visual Basic
C#

'Declaration
 
Public Class UniParameterCollection 
   Inherits Devart.Common.DbParameterBaseCollection
   Implements System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList, System.Data.IDataParameterCollection

public class UniParameterCollection : Devart.Common.DbParameterBaseCollection, System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList, System.Data.IDataParameterCollection

Remarks

The number of parameters in the collection must be equal to the number of parameter placeholders within the command text, or raises an error.

Example

The following example adds instance of UniParameter to collection.

csharp

public void AddUniParameters()
{
  // Create myConnection and myCommand.

  myCommand.CommandText = "DELETE Test.Dept WHERE DeptNo = :DeptNo";
  myCommand.Parameters.Add("DeptNo", UniDbType.Int).Value = 50;
  myCommand.ExecuteNonQuery();
}

Visual Basic

Public Sub AddUniParameters()
  // Create myConnection and myCommand.

  myCommand.CommandText = "DELETE Test.Dept WHERE DeptNo = :DeptNo"
  myCommand.Parameters.Add("DeptNo", UniDbType.Int).Value = 50
  myCommand.ExecuteNonQuery()

End Sub 'AddUniParameters

Inheritance Hierarchy

System.Object
   System.MarshalByRefObject
      System.Data.Common.DbParameterCollection
         Devart.Common.DbParameterBaseCollection
            Devart.Data.Universal.UniParameterCollection

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

UniParameterCollection Members
Devart.Data.Universal Namespace
UniParameter Class
UniCommand Class

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