Jump to content

Search the Community

Showing results for tags 'IsNull'.

  • Search By Tags

    Type tags separated by commas.
  • Search By Author

Content Type


Forums

  • uniGUI Public
    • Announcements
    • General
    • Feature Requests
    • Installation
    • Deployment
    • Other Platforms
  • Licensing
    • Licensing
    • Ordering uniGUI
  • Bug Reports
    • Active Reports
    • Closed Reports
    • Old Bug Reports
  • uniGUI Development
    • uniGUI 1.x
    • Beta Releases
    • Utilities
  • Mobile Platform
    • uniGUI Mobile
    • Mobile Browsers
  • Users Area
    • Sample Projects
    • Components and Code Samples
  • Non-English
    • Non-English
  • Miscellaneous
    • Hosting
    • Server Security
    • Jobs

Find results in...

Find results that contain...


Date Created

  • Start

    End


Last Updated

  • Start

    End


Filter by number of...

Joined

  • Start

    End


Group


AIM


MSN


Website URL


ICQ


Yahoo


Jabber


Skype


Location


Interests

Found 2 results

  1. Hi, I have an error detected using UniDbGrid (TUniDbGrid) related to an Interbase table. Also I am using Delphi 10.2 Tokyo with Unigui version 10.0.1472. In a column where Integer type values ​​are loaded (the same happens with Float type fields), if I insert the value 0 (zero) when validating the previous record of its insertion in the table, the IsNull function returns the value True. The exact validation done in the BeforePost event of the table is as follows: If TableName.FieldByName ('AmountFrom'). IsNull then ShowMessage ("You must enter an amount greater than o
  2. Hi: I have the following problem when trying to validate the data of a record in an Interbase table. At the time of the Post, valid if one of the fields you are entering is Null or less than 0 (zero). I evaluate if it is null using the IsNull function, the problem that if you enter 0 (zero) in the registry the IsNull function returns False when it should be True. I've already tried using the Permanent Field format or using the FielbByName function and the result is the same. It is important to add that the 0 can be a valid value, not the Null value. I am working with Delphi Tokyo a
×
×
  • Create New...