Technical Reference Manual - InduSoft

Appendix: Built-in Scripting Language
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
DBCursorColumnCount( numCur, "optStrErrorTag" )
numCur
The cursor handle of the result set. The cursor handle is returned by DBCursorOpen or
DBCursorOpenSQL.
optStrErrorTag
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 number of columns. In case of error, returns a negative number.
Notes
See also DBCursorRowCount.
Examples
As used in a Math worksheet:
Tag Name
Expression
nErrorCode DBCursorColumnCount( nCursor )
DBCursorColumnInfo
Gets information about a column in a SQL result set. The column is specified by number rather than by
name, so this function can be used to retrieve unknown column names.
Function Group Execution Windows Embedded Thin Client
DBCursorColumnInfo Database/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
DBCursorColumnInfo( numCur, numColumn, numTypeInfo, "optStrErrorTag" )
numCur
numColumn
The cursor handle of the result set. The cursor handle is returned by DBCursorOpen or
DBCursorOpenSQL.
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