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Complete Property Object Reference
The Type property sets or returns a DataTypeEnum value that indicates the type of a Parameter, Field, or a Property object.
| Object | Description of the Type Property |
|---|---|
| Parameter | The Type property has read/write permissions on a Parameter object |
| Field | The Type property is read/write, with one exception; for new Field objects that are added to the Fields collection of a Record, this property is read-only before the Value property has been set and before the provider has called the Update method of the Fields collection |
| Property | The Type property is read-only for a Property object |
Syntax
objectname.Type
Example - For a Field object
<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"
set rs = Server.CreateObject("ADODB.Recordset")
rs.open "Select * from orders", conn
response.write(rs.Fields(0).Type)
rs.Close
conn.close
%>
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"
set rs = Server.CreateObject("ADODB.Recordset")
rs.open "Select * from orders", conn
response.write(rs.Fields(0).Type)
rs.Close
conn.close
%>
Example - For a Parameter object
<%
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
%>
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
%>
Example - For a Property object
<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"
set rs = Server.CreateObject("ADODB.Recordset")
rs.open "Select * from orders", conn
set prop=Server.CreateObject("ADODB.Property")
'Display the property attributes of the Orders Table
for each prop in rs.Properties
response.write("Attr:" & prop.Attributes & "<br />")
response.write("Name:" & prop.Name & "<br />")
response.write("Value:" & prop.Value & "<br />")
next
rs.close
conn.close
set rs=nothing
set conn=nothing
%>
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"
set rs = Server.CreateObject("ADODB.Recordset")
rs.open "Select * from orders", conn
set prop=Server.CreateObject("ADODB.Property")
'Display the property attributes of the Orders Table
for each prop in rs.Properties
response.write("Attr:" & prop.Attributes & "<br />")
response.write("Name:" & prop.Name & "<br />")
response.write("Value:" & prop.Value & "<br />")
next
rs.close
conn.close
set rs=nothing
set conn=nothing
%>
DataTypeEnum Values
Specifies the data type of a Field, Parameter, or Property object
| Constant | Value | Description |
|---|---|---|
| adEmpty | 0 | No value |
| adSmallInt | 2 | A 2-byte signed integer. |
| adInteger | 3 | A 4-byte signed integer. |
| adSingle | 4 | A single-precision floating-point value. |
| adDouble | 5 | A double-precision floating-point value. |
| adCurrency | 6 | A currency value |
| adDate | 7 | The number of days since December 30, 1899 + the fraction of a day. |
| adBSTR | 8 | A null-terminated character string. |
| adIDispatch | 9 | A pointer to an IDispatch interface on a COM object. Note: Currently not supported by ADO. |
| adError | 10 | A 32-bit error code |
| adBoolean | 11 | A boolean value. |
| adVariant | 12 | An Automation Variant. Note: Currently not supported by ADO. |
| adIUnknown | 13 | A pointer to an IUnknown interface on a COM object. Note: Currently not supported by ADO. |
| adDecimal | 14 | An exact numeric value with a fixed precision and scale. |
| adTinyInt | 16 | A 1-byte signed integer. |
| adUnsignedTinyInt | 17 | A 1-byte unsigned integer. |
| adUnsignedSmallInt | 18 | A 2-byte unsigned integer. |
| adUnsignedInt | 19 | A 4-byte unsigned integer. |
| adBigInt | 20 | An 8-byte signed integer. |
| adUnsignedBigInt | 21 | An 8-byte unsigned integer. |
| adFileTime | 64 | The number of 100-nanosecond intervals since January 1,1601 |
| adGUID | 72 | A globally unique identifier (GUID) |
| adBinary | 128 | A binary value. |
| adChar | 129 | A string value. |
| adWChar | 130 | A null-terminated Unicode character string. |
| adNumeric | 131 | An exact numeric value with a fixed precision and scale. |
| adUserDefined | 132 | A user-defined variable. |
| adDBDate | 133 | A date value (yyyymmdd). |
| adDBTime | 134 | A time value (hhmmss). |
| adDBTimeStamp | 135 | A date/time stamp (yyyymmddhhmmss plus a fraction in billionths). |
| adChapter | 136 | A 4-byte chapter value that identifies rows in a child rowset |
| adPropVariant | 138 | An Automation PROPVARIANT. |
| adVarNumeric | 139 | A numeric value (Parameter object only). |
| adVarChar | 200 | A string value (Parameter object only). |
| adLongVarChar | 201 | A long string value. |
| adVarWChar | 202 | A null-terminated Unicode character string. |
| adLongVarWChar | 203 | A long null-terminated Unicode string value. |
| adVarBinary | 204 | A binary value (Parameter object only). |
| adLongVarBinary | 205 | A long binary value. |
| AdArray | 0x2000 | A flag value combined with another data type constant. Indicates an array of that other data type. |
Complete Property Object Reference
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Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.