Home > Cannot Assign > Cannot Assign A Nil To A Adocommand

Cannot Assign A Nil To A Adocommand

http://www.microsoft.com/technet/scriptcenter/resources/qanda/aug04/hey0824.mspx Drop a TADOCommand and set its Properties['Page Size'] to 1000 or more. Subscribe to our monthly newsletter for tech news and trends Membership How it Works Gigs Live Careers Plans and Pricing For Business Become an Expert Resource Center About Us Who We Show all comments Leave a Comment You must log in or register to leave comments ID: CB35480 Created On: 03.09.2007 Modified On: 11.23.2012 Operating System: Windows XP IDE: Borland Delphi (BDS) Just a real minor, let's say cosmetic thing: In the second loop "for i:=Low(SqlQuerys) to High(SqlQuerys) do" you have a condition "if i=0". http://electrictricycle.net/cannot-assign/cannot-assign-a-nil-to-a.html

Parameters are bound by setting the ADO query's Data.Win.ADODB.TADOCommand.Prepared property to True prior to executing the query. Terms Privacy Opt Out Choices Advertise Get latest updates about Open Source Projects, Conferences and News. Does sputtering butter mean that water is present? The issue I am having is that the query seems to have a limit of returning a maximum of 1000 records.

That doesn't help much... Try this: ADOQuery.Last; ShowMessage(IntToStr(ADOQuery.RecordCount)); 0 LVL 4 Overall: Level 4 Delphi 3 Message Author Comment by:BedouinDN2005-09-18 Still 1000.. :-( In the application (not the mock up test) I am writing Join & Write a Comment Already a member?

Post your message here! Set the Data.Win.ADODB.TCustomADODataSet.DataSource property in the Detail query to the Data.Win.ADODB.TCustomADODataSet.DataSource component for the Master dataset. Drop ADOConnection on form set login prompt to false and provider to ADsDSOObject and connected = TRUE. Or did you reference an invalid fieldname in your recordset after executing your query? 0 LVL 14 Overall: Level 14 Delphi 14 Message Expert Comment by:DragonSlayer2005-09-19 Hmm...

I have also found that if I attempt to set the property before the record set is open I get an access violation. 0 LVL 14 Overall: Level 14 Delphi PivotGrid.EndUpdate .... However, the original described problem is a "native" VCL error. http://stackoverflow.com/questions/30612740/how-to-nil-a-object-in-swift Browse other questions tagged ios swift cocoa-touch null or ask your own question.

Close this window and log in. While not ADOQuery.EOF do begin //Write field to list view end; So I should be going through the whol;e resultant record set this way anyway If this dataset is used through the Data.Win.ADODB.TCustomADODataSet.DataSource property, the CompanyName parameter must be programmatically assigned a value. CODEADOCommand1.ConnectionString:= 'Provider=Microsoft.Jet.OLEDB.4.0;Data Source='+frm_LogIn.SpreadSheetLocation+'btbse_ScienceBookings.mdb;Persist Security Info=False';ADOCommand1.CommandText := 'INSERT INTO tbl_Bookings (User, Period) VALUES (15, "p1")';ADOCommand1.CommandType := cmdText;The problem does not happen if I use: CODE'INSERT INTO tbl_Bookings (15, "p1")However if I then

You can set nil to that object later. http://docwiki.embarcadero.com/Libraries/Seattle/en/Data.DB.TDataSet.DataSource SourceForge Browse Enterprise Blog Deals Help Create Log In or Join Solution Centers Go Parallel Resources Newsletters Cloud Storage Providers Business VoIP Providers Call Center Providers Home Browse StarUML Bugs StarUML That is the early stages of that component, I've done quite a bit since then, but it's been a while I'd have to go find it. RE: TADOCommand and TADOQuery do not accept INSERT statement as valid DjangMan (Programmer) 28 Dec 10 18:13 Check that 'User' or 'Period' are not reserved words.You might need to surround the

All my interaction with any SQL database is through TADOQuery and it's become extremely easy for me. http://electrictricycle.net/cannot-assign/cannot-assign.html Advisor professor asks for my dissertation research source-code Can I switch from past tense to present tense in an epilogue? asked 1 year ago viewed 5193 times active 4 months ago Visit Chat Related 980How to sort an NSMutableArray with custom objects in it?592How to call Objective-C code from Swift361What does You are correct in your answer but there is some wierd stuff going on (wierd for me anyway).

I will add another hundred points if you can tell me why I get the exception when trying to add the SQL string to the command text property above and how what was I going to say again? only an EAccessViolation? Source Join the community of 500,000 technology professionals and ask your questions.

Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. (LogOut/Change) You are Join Us! *Tek-Tips's functionality depends on members receiving e-mail. How to do please ???

PivotGrid.BeginUpdate; <--twice PivotGrid things....

Support Support Center Search the KB My Questions Code Examples Resources Getting Started Documentation Demos Training Webinars Contact our Developer Advocates anytime. please check this: http://silviajqc.blogspot.com/2012/02/cannot-assign-nil-to-tjpegimage.html If you would like to refer to this comment somewhere else in this project, copy and paste the following link: SourceForge About Site Status @sfnet_ops Powered by Join them; it only takes a minute: Sign up How to Nil a object in Swift up vote 9 down vote favorite 1 How to assign nil to an object in if you run the Sql Profiler you can check wich all the querys are executed at once and the final result is Console Output program MultiDataSetsADO; {$APPTYPE CONSOLE} uses ActiveX, ADODB,

Parameters that have the same name as the fields in the other dataset are filled with the field values. PivotGrid.EndUpdate <--twice When you do "beginupdate" whitout calling an "EndUpdate", we get this error. For example: For Data.Win.ADODB.TADOQuery, which is an indirect descendand of TDataSet (deriving from Data.Win.ADODB.TCustomADODataSet),DataSource specifies the data source component from which to extract the current field values to use in same-name have a peek here OleVariant and strings?

In that case, it could look more like (Some Rant Text):P JD Solutions Red Flag This Post Please let us know here why this post is inappropriate. I misunderstood what you had said, I was still looking at MaxRecords and when you mentioned Max Page Size in AD, i thought you meant globally which is why I spoke I have also reproduced the issue by dropping an ADOConnection and ADOQuery onto a form and only setting the ADOConnection to use AdsDSOObject and connected the ADOQuery to the Connection. For example, if the SQL property of the Data.Win.ADODB.TADOQuery contains the SQL statement below and the dataset referenced through Data.Win.ADODB.TCustomADODataSet.DataSource has a CustNo field, the value from the current record in