DataCommand.Prepare(String, Int32, Int32) Method
Definition
Important
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Prepares the specified command on the data source to be executed; the command may then be executed multiple times, with varying parameters.
public:
virtual System::String ^ Prepare(System::String ^ command, int commandType, int commandTimeout);public virtual string Prepare (string command, int commandType, int commandTimeout);abstract member Prepare : string * int * int -> string
override this.Prepare : string * int * int -> stringPublic Overridable Function Prepare (command As String, commandType As Integer, commandTimeout As Integer) As StringParameters
- command
- String
A command to execute that is specific to a data source.
- commandType
- Int32
The command type for the indicated command, specifying how to interpret the contents of the command parameter.
- commandTimeout
- Int32
The length of time, in seconds, to block the client before canceling the execution and returning to the caller. A value of 0 indicates infinite timeout; a value of -1 indicates a provider default.
Returns
Returns an identifier of the prepared command that can later be passed to the Execute(String, Int32, DataParameter[], Int32) or ExecuteWithoutResults(String, Int32, DataParameter[], Int32) methods using the command type Prepared.
Exceptions
The command or asyncCommandEvents are null.
The commandType specifies an invalid type.
The commandTimeout is less than -1.
The provider does not support this method.