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< td align = "right" valign = "center" > < img src = "logo32.png" align = "right" width = "64" height = "32" border = "0" > < / td > < / tr > < / table > < h1 align = center > TQSqlSelectCursor Class Reference< br > < small > [< a href = "sql.html" > sql module< / a > ]< / small > < / h1 >
< p > The TQSqlSelectCursor class provides browsing of general SQL
SELECT statements.
< a href = "#details" > More...< / a >
< p > < tt > #include < < a href = "tqsqlselectcursor-h.html" > tqsqlselectcursor.h< / a > > < / tt >
< p > Inherits < a href = "tqsqlcursor.html" > TQSqlCursor< / a > .
< p > < a href = "tqsqlselectcursor-members.html" > List of all member functions.< / a >
< h2 > Public Members< / h2 >
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< li class = fn > < a href = "#TQSqlSelectCursor" > < b > TQSqlSelectCursor< / b > < / a > ( const TQString & query = TQString::null, TQSqlDatabase * db = 0 )< / li >
< li class = fn > < a href = "#TQSqlSelectCursor-2" > < b > TQSqlSelectCursor< / b > < / a > ( const TQSqlSelectCursor & other )< / li >
< li class = fn > < a href = "#~TQSqlSelectCursor" > < b > ~TQSqlSelectCursor< / b > < / a > ()< / li >
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< hr > < a name = "details" > < / a > < h2 > Detailed Description< / h2 >
The TQSqlSelectCursor class provides browsing of general SQL
SELECT statements.
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< p > TQSqlSelectCursor is a convenience class that makes it possible to
display result sets from general SQL < tt > SELECT< / tt > statements in
data-aware TQt widgets. TQSqlSelectCursor is read-only and does not
support < tt > INSERT< / tt > , < tt > UPDATE< / tt > or < tt > DELETE< / tt > operations.
< p > Pass the query in at construction time, or use the
< a href = "tqsqlquery.html#exec" > TQSqlSelectCursor::exec< / a > () function.
< p > Example:
< pre >
...
TQSqlSelectCursor* cur = new TQSqlSelectCursor( "SELECT id, firstname, lastname FROM author" );
< a href = "tqdatatable.html" > TQDataTable< / a > * table = new < a href = "tqdatatable.html" > TQDataTable< / a > ( this );
table-> < a href = "tqdatatable.html#setSqlCursor" > setSqlCursor< / a > ( cur, TRUE, TRUE );
table-> < a href = "tqdatatable.html#refresh" > refresh< / a > ();
...
cur-> < a href = "tqsqlquery.html#exec" > exec< / a > ( "SELECT * FROM books" );
table-> < a href = "tqdatatable.html#refresh" > refresh< / a > ();
...
< / pre >
< p > See also < a href = "database.html" > Database Classes< / a > .
< hr > < h2 > Member Function Documentation< / h2 >
< h3 class = fn > < a name = "TQSqlSelectCursor" > < / a > TQSqlSelectCursor::TQSqlSelectCursor ( const < a href = "tqstring.html" > TQString< / a > & query = TQString::null, < a href = "tqsqldatabase.html" > TQSqlDatabase< / a > * db = 0 )
< / h3 >
Constructs a read only cursor on database < em > db< / em > using the query < em > query< / em > .
< h3 class = fn > < a name = "TQSqlSelectCursor-2" > < / a > TQSqlSelectCursor::TQSqlSelectCursor ( const < a href = "tqsqlselectcursor.html" > TQSqlSelectCursor< / a > & other )
< / h3 > Constructs a copy of < em > other< / em >
< h3 class = fn > < a name = "~TQSqlSelectCursor" > < / a > TQSqlSelectCursor::~TQSqlSelectCursor ()
< / h3 > Destroys the object and frees any allocated resources
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