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Value | Description |
adParamSigned |
Default. The parameter accepts signed values. |
adParamNullable |
The parameter accepts Null values. |
adParamLong |
The parameter accepts long binary data. |
Remarks
Use the Attributes property to set or return characteristics of Parameter objects.Examples
This Visual Basic example displays the value of the Attributes property for Connection, Field, and Property objects. It uses the Name property to display the name of each Field and Property object.Public Sub AttributesX
Dim cnn1 As ADODB.Connection
Dim rstEmployees As ADODB.Recordset
Dim fldLoop As ADODB.Field
Dim proLoop As ADODB.Property
Dim strCnn As String
' Open connection and recordset.
strCnn = "driver={SQL Server};server=srv;" & _
"uid=sa;pwd=;database=pubs"
Set cnn1 = New ADODB.Connection
cnn1.Open strCnn
Set rstEmployees = New ADODB.Recordset
rstEmployees.Open "employee", cnn1, , ,
adCmdTable
' Display the attributes of the connection.
Debug.Print "Connection attributes = " & _
cnn1.Attributes
' Display attributes of the Employee table fields
Debug.Print "Field attributes:"
For Each fldLoop In rstEmployees.Fields
Debug.Print " " & fldLoop.Name & " = " & _
fldLoop.Attributes
Next fldLoop
' Display attributes of the Employee table properties.
Debug.Print "Property attributes:"
For Each proLoop In rstEmployees.Properties
Debug.Print " " & proLoop.Name & " = " & _
proLoop.Attributes
Next proLoop
rstEmployees.Close
cnn1.Close
End Sub
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