ADO Direction Property

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# ADO Direction Property

Complete Parameter Object Reference

The Direction property sets or returns a ParameterDirectionEnum value that specifies how a parameter is passed to or from a procedure. Default value is adParamInput.

Is it an input parameter, an output parameter, an input and an output parameter, or a return value from a procedure?

### Syntax

    objparameter.Direction

### Example

    <%
    set comm=Server.CreateObject("ADODB.Command")
    set para=Server.CreateObject("ADODB.Parameter")

    para.Type=adVarChar
    para.Size=25
    para.Direction=adParamInput
    para.Value=varfname

    comm.Parameters.Append para
    %>

### ParameterDirectionEnum Values

Constant | Value | Description
--- | --- | ---
adParamUnknown | 0 | Direction unknown
adParamInput | 1 | Default. Input parameter
adParamInputOutput | 3 | Input and output parameter
adParamOutput | 2 | Output parameter
adParamReturnValue | 4 | Return value

Complete Parameter Object Reference

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