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Dataset Object (iScript)

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The Dataset object made the access of a hit list possible homogeneous data records. The up-to-date dataset of the input mask is always in the context of iScript menu command as variable "Dataset" available.

It is also possible to create the "Dataset" with the CreateDataset-Method of the Client-Object 

Methods

  • procedure First - changes to the first Data record
  • procedure Prior - changes to the preceding Data record
  • procedure Next - changes to the next Data record
  • procedure Last - changes to the last Data record
  • procedure Search - changes to the search input mode
  • procedure Post - saves the current changes or started the searching
  • procedure Append - inserts a new Data record
  • procedure Clear - deletes the search mask
  • procedure Edit - change into the edit mode
  • procedure Cancel - break off the changing
  • procedure Delete - deletes the current data record
  • procedure Close - close the dataset
  • procedure SaveCurrentLink -  saves the link in the file system (CNLNK) of the current Data record

Characteristics

  • property EOF: WordBool readonly - indicates if you were at the end of the dataset
  • property BOF: WordBool readonly - shows the end of the dataset
  • property Values[Index: Variant]: Variant - read and set the particular field-worth
  • property DOC: IDataObjectClass readonly
  • property State: DatasetState readonly - current mode in which you find the dataset

DatasetState
 

Constant Value (Integer) Description
cnStateInactive 0 The dataset is inactively and not useable.
cnStateUnknown 1 The Status could not  be determined
cnStateEditing 2 The current data record is just edited (after the Edit call )
cnStateBrowsing 3 The quantity is in the turning mode. Operation First, Next, First and Last are now possible.
cnStateInserting 4 A data record will be edited (after a insert operation - e.g. after Append)
cnStateSearchEditing 5 The searching mode is active. (after the call of Search) Over values (Fieldname) you could deposit a search text. ( watch also Suchen im Bedienerhandbuch)