SqlCeParameterCollection.Contains Method (Object)

Article
10/22/2007

Gets a value indicating whether or not a SqlCeParameter object exists in the collection.

Namespace: System.Data.SqlServerCe
Assembly: System.Data.SqlServerCe (in system.data.sqlserverce.dll)

Syntax

'Declaration
Public Overrides Function Contains ( _
    value As Object _
) As Boolean
'Usage
Dim instance As SqlCeParameterCollection
Dim value As Object
Dim returnValue As Boolean

returnValue = instance.Contains(value)

public override bool Contains (
    Object value
)

public:
virtual bool Contains (
    Object^ value
) override

public boolean Contains (
    Object value
)

public override function Contains (
    value : Object
) : boolean

Parameters

value
The value of the SqlCeParameter object to find.

Return Value

true if the collection contains the SqlCeParameter; otherwise, false.

Example

The following example searches for a SqlCeParameter within a SqlCeParameterCollection. If the parameter exists, the example displays the index of the parameter. If the parameter does not exist, the example displays an error. This example assumes that a SqlCeCommand has already been created.

' ...
' create SqlCeCommand cmd
' ...
Dim myParam As SqlCeParameter = cmd.Parameters.Add("@Description", SqlDbType.NVarChar)
If Not cmd.Parameters.Contains(myParam) Then
    MessageBox.Show("ERROR: no such parameter in the collection")
Else
    MessageBox.Show("match on parameter #" & cmd.Parameters.IndexOf(myParam).ToString())
End If

// ...
// create SqlCeCommand cmd
// ...
SqlCeParameter myParam = cmd.Parameters.Add("@Description", SqlDbType.NVarChar);
if (!cmd.Parameters.Contains(myParam))
    MessageBox.Show("ERROR: no such parameter in the collection");
else
    MessageBox.Show("match on parameter #" +
        cmd.Parameters.IndexOf(myParam).ToString());

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see .

Platforms

Windows CE, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows XP Professional x64 Edition, Windows XP SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Version Information

.NET Compact Framework

Supported in: 2.0, 1.0