SqlCeParameterCollection.Contains Method (String)
Gets a value indicating whether a SqlCeParameter with the specified parameter name 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 String _
) As Boolean
'Usage
Dim instance As SqlCeParameterCollection
Dim value As String
Dim returnValue As Boolean
returnValue = instance.Contains(value)
public override bool Contains (
string value
)
public:
virtual bool Contains (
String^ value
) override
public boolean Contains (
String value
)
public override function Contains (
value : String
) : boolean
Parameters
- value
The name of the parameter.
Return Value
true if the collection contains the parameter; otherwise, false.
Example
The following example searches for a SqlCeParameter with a given ParameterName 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
' ...
If Not cmd.Parameters.Contains("Description") Then
MessageBox.Show("ERROR: no such parameter in the collection")
Else
MessageBox.Show("match on parameter #" & cmd.Parameters.IndexOf("Description").ToString())
End If
// ...
// create SqlCeCommand cmd
// ...
if (!cmd.Parameters.Contains("Description"))
MessageBox.Show("ERROR: no such parameter in the collection");
else
MessageBox.Show("match on parameter #" +
cmd.Parameters.IndexOf("Description").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
See Also
Reference
SqlCeParameterCollection Class
SqlCeParameterCollection Members
System.Data.SqlServerCe Namespace