DBCursorRowCount

Gets the total number of rows in a SQL result set.

Function Group Execution Windows Embedded Thin Client Mobile Access
DBCursorRowCount Database/ERP Synchronous Supported Supported Supported Executed on Server
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.

Description

Gets the total number of rows in a SQL result set.

See also DBCursorColumnCount().

Syntax

  DBCursorRowCount( 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 should be enclosed in quotes, as shown in the syntax diagram, or else the function will try to use the value of the tag.

This is an optional parameter.

Returned value

Returns the number of rows. In case of error, returns a negative number.

Notes

See also DBCursorColumnCount.

You can use the Studio Database Gateway to directly monitor database connections for leaks and errors. For more information, see Database Interface.

Examples

As used in a Math worksheet:
Tag Name Expression
nRowCount DBCursorRowCount( nCursor )

DBCursorRowCount