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adctoadf.asp
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1997-08-15
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<HTML>
<HEAD>
<TITLE> Manually Getting Data through the DataFactory </TITLE>
</HEAD>
<BODY BACKGROUND="/MSADC/Samples/AddressBook/Arcadia.gif">
<CENTER><H1> Manually Getting Data through <BR> the DataFactory </H1></CENTER>
<!--
Purpose: To demonstrate a query scenario calling the DF to manually populate unbound control.
Written By: Microsoft Data Access Group, Microsoft Corporation
Date: April, 1997
-->
<CENTER>
<Table Border=1><TR><TD ALIGN=CENTER ><FONT SIZE=2 Color="#008080">
<B>UnBound TextBox<B></TD><TD ALIGN=CENTER ><FONT SIZE=2 Color="#008080">
<B>Bound Data Grid</B></TD>
<TR ALIGN=CENTER><TD>
<!--
This is included as an example of how you can use data
with and unbound control. If you have the extension FM20.DLL
on your client machine you can uncomment the associated code.
-->
<!-- Unbound List Box within FM20.DLL, ID=List1 -->
<!--
<OBJECT CLASSID="CLSID:8BD21D20-EC42-11CE-9E0D-00AA006002F3"
ID="List1"
WIDTH=108 HEIGHT=100>
</OBJECT>
-->
<!-- Sheridan DataBound Grid Control, ID=GRID -->
<TD>
<OBJECT CLASSID="CLSID:AC05DC80-7DF1-11d0-839E-00A024A94B3A"
CODEBASE="http://<%=Request.ServerVariables("SERVER_NAME")%>/MSADC/Samples/ssdatb32.cab"
ID="GRID"
datasrc="#ADC"
WIDTH=600 HEIGHT=150>
<PARAM NAME="AllowAddNew" VALUE="TRUE">
<PARAM NAME="AllowDelete" VALUE="TRUE">
<PARAM NAME="AllowUpdate" VALUE="TRUE">
<PARAM NAME="_Version" VALUE="131072">
<PARAM NAME="BackColor" VALUE="-2147483643">
<PARAM NAME="BackColorOdd" VALUE="-2147483643">
<PARAM NAME="ForeColorEven" VALUE="0">
</OBJECT>
</Table>
<!-- RDS.DataSpace object, ID=ADS -->
<OBJECT CLASSID="CLSID:BD96C556-65A3-11D0-983A-00C04FC29E36"
ID="ADS"
WIDTH=1 HEIGHT=1>
</OBJECT>
<!-- RDS.DataControl object, ID=ADC -->
<OBJECT classid="clsid:BD96C556-65A3-11D0-983A-00C04FC29E33"
ID="ADC"
HEIGHT=1 WIDTH = 1>
</OBJECT>
<!-- Input Information Area -->
<TABLE BORDER=1>
<TR><TD WIDTH=150><FONT SIZE=2 Color="#008080"><B>Server:</B>
<TD><INPUT SIZE=70 NAME="Server">
<TR><TD WIDTH=150><FONT SIZE=2 Color="#008080"><B>Connection:</B>
<TD><INPUT SIZE=70 NAME="Connect">
<TR><TD WIDTH=150><FONT SIZE=2 Color="#008080"><B>Query:</B>
<TD><INPUT SIZE=70 NAME="Query">
</TABLE>
<HR>
<!-- Buttons to select data source and populate visible data controls -->
<INPUT TYPE=BUTTON NAME="Run" VALUE="Run">
<INPUT TYPE=BUTTON NAME="AccessQuery" VALUE="Fill Access Query Info">
<INPUT TYPE=BUTTON NAME="SQLQuery" VALUE="Fill SQL Server Query Info">
<!-- Buttons for Navigation in data grid -->
<HR>
<INPUT TYPE=BUTTON NAME="MoveFirst" VALUE="First">
<INPUT TYPE=BUTTON NAME="MovePrev" VALUE="Previous">
<INPUT TYPE=BUTTON NAME="MoveNext" VALUE="Next">
<INPUT TYPE=BUTTON NAME="MoveLast" VALUE="Last">
<INPUT TYPE=BUTTON NAME="Submit" VALUE="Submit Changes">
<INPUT TYPE=BUTTON NAME="Cancel" VALUE="Cancel Changes">
</CENTER>
<SCRIPT LANGUAGE="VBScript">
Option Explicit
'---- enum Values ----
Const adcExecSync = 1
Const adcExecAsync = 2
'---- enum Values ----
Const adcFetchUpFront = 1
Const adcFetchBackground = 2
Const adcFetchAsync = 3
Dim ADF
Dim ADOR
'Populate Data Source and Query text boxes with initial data.
Sub Window_OnLoad
'Change the asynchronous options such that execution is synchronous
'and Fetching can occur in the background
ADC.ExecuteOptions = adcExecSync
ADC.FetchOptions = adcFetchBackground
Server.Value = "http://<%=Request.ServerVariables("SERVER_NAME")%>"
Connect.Value = "DSN=AdvWorks"
Query.Value = "Select * from Products"
'Use CreateObject method of ADS to load the ADF default business object
Set ADF = ADS.CreateObject("RDSServer.DataFactory", Server.Value)
End Sub
'Populate Query box with Microsoft Access Query.
Sub AccessQuery_OnClick
Connect.Value = "DSN=AdvWorks"
Query.Value = "Select * from Products"
End Sub
'Populate Query box with SQL Server Query.
Sub SQLQuery_OnClick
Connect.Value = "DSN=Pubs;UID=SA;PWD=;"
Query.Value = "Select * from Authors"
End Sub
'Get data and populate controls
Sub Run_OnClick
'Get the Recordset
Set ADOR = ADF.Query(Connect.Value, Query.Value)
'Populate UnBound List Box
' The following code could be uncommented if you have FM20.DLL
' List1.Clear 'Clear the list box.
' While Not ADOR.EOF
' List1.AddItem ADOR(0).Value
' ADOR.MoveNext
' WEnd
'Populate Bound Data Grid by assigning recordset to the ADC
Set ADC.SourceRecordset = ADOR
'Optional command specific to the Sheridan Grid to ensure display of the correct data
Grid.Rebind
End Sub
'Change active Record
SUB MoveFirst_OnClick
ADC.Recordset.MoveFirst
END SUB
SUB MoveNext_OnClick
On Error Resume Next
ADC.Recordset.MoveNext
IF ERR.Number <> 0 THEN
ADC.Recordset.MoveLast 'If already at end of recordset stay at end.
END IF
END SUB
SUB MovePrev_OnClick
On Error Resume Next
ADC.Recordset.MovePrevious
IF ERR.Number <> 0 THEN
ADC.Recordset.MoveFirst 'If already at start of recordset stay at top.
END IF
END SUB
SUB MoveLast_OnClick
ADC.Recordset.MoveLast
END SUB
SUB Submit_OnClick
'Set properties on the ADC
ADC.SERVER = Server.Value
ADC.CONNECT = Connect.Value
ADC.SQL = Query.Value
'Send changes to data source via the ADC
ADC.SubmitChanges
'Pull fresh data
ADC.Refresh
'Optional command specific to the Sheridan Grid to ensure display of the correct data
Grid.Rebind
End Sub
SUB Cancel_OnClick
'Set properties on the ADC
ADC.SERVER = Server.Value
ADC.CONNECT = Connect.Value
ADC.SQL = Query.Value
'Cancel the changes made to the data and resore
ADC.CancelUpdate
'Pull fresh data
ADC.Refresh
'Optional command specific to the Sheridan Grid to ensure display of the correct data
Grid.Rebind
End Sub
</SCRIPT>
<!-- Link to View Source -->
<TABLE BORDER=3><TR><TD><!--#include file="srcform.inc"--></TABLE>
<Center>This site powered by the Microsoft Data Access Components.</Center>
</BODY>
</HTML>