OdbcParameterCollection.Contains Method (String)


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Gets a value indicating whether an OdbcParameter object with the specified parameter name exists in the collection.

Namespace:   System.Data.Odbc
Assembly:  System.Data (in System.Data.dll)

public override bool Contains(
	string value


Type: System.String

The name of the OdbcParameter object to find.

Return Value

Type: System.Boolean

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

The following example searches for an OdbcParameter with a given ParameterName within an OdbcParameterCollection. If the parameter exists, the example displays the name and index of the parameter. If the parameter does not exist, the example displays an error. This example assumes that an OdbcParameterCollection has already been created.

public void SearchParameters() 
    // ...
    // create OdbcParameterCollection parameterCollection
    // ...
    if (!parameterCollection.Contains("Description"))
        Console.WriteLine("ERROR: no such parameter in the collection");
        Console.WriteLine("Name: " + parameterCollection["Description"].ToString() +
            "Index: " + parameterCollection.IndexOf("Description").ToString());

.NET Framework
Available since 1.1
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