UniCursor Class

In This Topic

Represents Oracle cursor.

Syntax

Visual Basic
C#

'Declaration
 
Public Class UniCursor

public class UniCursor

Remarks

The UniCursor class represents Oracle CURSOR type. It can be used only with data providers for Oracle: OraDirect .NET, ODP.NET, Oracle Client.

For information on how to use cursors with Universal .NET refer to article Working with Cursors.

Example

The following example demonstrates how to get table data as cursor:

csharp

...
string cmdText = "BEGIN OPEN :cur FOR SELECT * FROM dept; END;";
UniCommand cmd = new UniCommand(cmdText, myConnection);
cmd.Parameters.Add("cur", UniDbType.Cursor);
cmd.Parameters["cur"].Direction = ParameterDirection.Output;
cmd.ExecuteNonQuery();
UniCursor myCursor = (UniCursor)cmd.Parameters["cur"].Value;
myDataAdapter.Fill(dataSet, "Table", myCursor);
...

Visual Basic

...
Dim cmdText As string = "BEGIN OPEN :cur FOR SELECT * FROM dept; END;"
Dim cmd As UniCommand = new UniCommand(cmdText, myConnection)
cmd.Parameters.Add("cur", UniDbType.Cursor)
cmd.Parameters("cur").Direction = ParameterDirection.Output
cmd.ExecuteNonQuery()
Dim myCursor As UniCursor = CType(cmd.Parameters("cur").Value, UniCursor)
myDataAdapter.Fill(dataSet, "Table", myCursor)
...

Inheritance Hierarchy

System.Object
Devart.Data.Universal.UniCursor

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

UniCursor Members
Devart.Data.Universal Namespace

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