Technical Reference Manual - InduSoft

Appendix: Built-in Scripting Language
This is an optional parameter.
Returned value
Returns the number of the current row. In case of error, returns a negative number.
Examples
As used in a Math worksheet:
Tag Name
Expression
nRow DBCursorCurrentRow( nCursor )
DBCursorGetValue
Gets the value of the specified column of the current row (i.e., the cursor position) in a SQL result set.
Function Group Execution Windows Embedded Thin Client
DBCursorGetValueDatabase/ERP Synchronous Supported Supported Supported
Note: This feature emulates SQL (Structured Query Language) database operations. You should be
familiar with how SQL commands are formed and executed before you use this feature.
Syntax
DBCursorGetValue( numCur, strColumn, "optStrErrorTag" )
numCur
strColumn
The cursor handle for the result set. The cursor handle is returned by DBCursorOpen or
DBCursorOpenSQL.
optStrErrorTag
The name of the column.
The name of a String tag that will receive detailed error messages, if errors occur during
runtime.
Note: The tag name must be enclosed in quotes, as shown in the syntax
diagram, or else the project will try to get the value of the named tag.
This is an optional parameter.
Returned value
Returns the value of the specified column. If the value is NULL or the cursor is invalid, then it returns an
empty string with quality BAD.
Examples
As used in a Math worksheet:
Tag Name
Expression
Tag DBCursorGetValue( nCursor, "Column1" )
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