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Creating a DataWindow Object
1. Choose a presentation style
2. Choose a datasource
3. Describe the result set
4. Design the format for data presentation and validation
5. Use simultaneous preview during design, if desired
Data sources
Relational
Quick Select
SQL Select
Query
Stored Proced
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Relating DataWindows to Databases
Setting the Transaction Object for a DataWindow Object
Retrieving Data
Coding a Complete Retrieval Transaction
The DataWindow object is associated with a database through a transaction object using the SetTransObject( ) function.
The DataWindow control Retri
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Access one item by specifying row and column numbers
Format:
dwcontrol.object.data[startrownum, startcolnum]
dwcontrol.object.data [ startrownum, startcolnum, endrownum, endcolnum ]
Example:
long ll_emp_id
ll_emp_id = dw_emp.object.data[1,2]
Data retrieved using a DataWindow object is he
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DataWindow workspace is divided into bands:
Header
Detail
Summary
Footer
The DataWindow painter provides layout and editing features.
SummaryYou use the DataWindow painter to set the tab order sequence for columns in a DataWindow object.
The DropDownDataWindow edit style provides a way to ass
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Building a Window Interface to Display Data
What Is a DataWindow Control?
DataWindow Properties and Methods
Opening a Sheet in an MDI Frame
Data stored in database
Data can be processed on any of:
Database
Middle tier
ClientTo associate a DataWindow object with a DataWindow control:
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