SqlCeParameterCollection.Contains Method (Object)

2009-10-22

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

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());

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Development Platforms

Windows Vista, Windows Mobile 5.0, Windows XP Professional with Service Pack 2 (SP2), Windows Server 2003, Windows Mobile 2003 for Pocket PC, Windows CE 5.0
Version Information
.NET Framework and NET Compact Framework
Supported in 3.5
.NET Framework
Supported in 3.0
.NET Compact Framework and .Net Framework
Supported in 2.0

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