Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

ADO Type Property


❮ Complete Field 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
%>

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
%>

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
%>

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 Field Object Reference
×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
sales@w3schools.com

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
help@w3schools.com

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.