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
abstract Contains :
value:string -> bool
override Contains :
value:string -> bool
public override function Contains(
value : String
) : boolean
Parameters
- value
Type: System.String
The name of the parameter.
Return Value
Type: System.Boolean
true if the collection contains the parameter; otherwise, false.
Implements
IDataParameterCollection.Contains(String)
Examples
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());