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The next method, _demoQueryWithCallableStmt(), retrieves a ref cursor that contains the object column values. All the steps for converting the object into a Struct and retrieving individual values are exactly the same as in the case of the method _demoQueryWithPreparedStmt() discussed earlier. private static void _demoQueryWithCallableStmt( Connection conn, String stmtStr ) throws SQLException { CallableStatement cstmt = null; ResultSet rset = null; try { cstmt = conn.prepareCall( stmtStr ); cstmt.registerOutParameter( 1, OracleTypes.CURSOR ); cstmt.execute(); rset = (ResultSet) cstmt.getObject(1); while( rset.next() ) { Struct itemStruct = (Struct) rset.getObject ( 1 ); Object[] attributes = itemStruct.getAttributes(); System.out.println ( "num of attributes: " + attributes.length ); for(int i=0; i < attributes.length; i++ ) { System.out.println ( "class of attribute " + i + " = " + (attributes[i]).getClass().getName() + ", value = " + attributes[i] ); } } } finally { // release resources in the finally clause. JDBCUtil.close( rset); JDBCUtil.close( cstmt); } } vb.net gs1 128 Packages matching GS1-128 - NuGet Gallery
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VB . NET GS1-128 Generator for .NET class, Data Matrix, PDF417, QRCode, Code128, Code39. The method _demoStructWithCallableStmtGivesError() tries to invoke a procedure that returns an item object directly as an out parameter (using the procedure item_pkg.get_item()) instead of returning it as a column of a ref cursor. It gives an error, as you will see shortly: private static void _demoStructWithCallableStmtGivesError( Connection conn, String stmtStr ) throws SQLException { CallableStatement cstmt = null; try { cstmt = conn.prepareCall( stmtStr ); cstmt.registerOutParameter( 1, OracleTypes.STRUCT ); cstmt.execute(); // get the "item" object and its attributes Struct itemStruct = (Struct) cstmt.getObject ( 1 ); Object[] attributes = itemStruct.getAttributes(); System.out.println ( "num of attributes: " + attributes.length ); for(int i=0; i < attributes.length; i++ ) { System.out.println ( "class of attribute " + i + " = " + (attributes[i]).getClass().getName() + ", value = " + attributes[i] ); } } finally { // release resources in the finally clause. JDBCUtil.close( cstmt); } } } // end of program vb.net ean 128 reader GS1 128 Generator DLL in VB | Free . NET program sample code ...
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I suggest you use Google as there is a lot of information on the topic: http://en. lmgtfy.com/?q=ucc+ ean - 128 +barcode+generator[^]. —SA. In each of the five public methods, DataPortal must determine whether the business developer has applied the [RunLocal()] attribute to the business method on their business class. The RunLocal() method checks for the attribute, returning a Boolean indicating whether it exists or not: private static bool RunLocal(MethodInfo method) { return Attribute.IsDefined(method, typeof(RunLocalAttribute)); } While not strictly necessarily, this helper method streamlines the more complex code elsewhere in the class. When we execute the preceding program, we get the following output, showing the data we populated earlier: B:\>java StructQueryExample ora10g URL:jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(PORT=1521) (HOST=rmenon-lap))(CONNECT_DATA=(SID=ora10g))) num of attributes: 3 class of attribute 0 = java.math.BigDecimal, value = 1 class of attribute 1 = java.lang.String, value = item1 class of attribute 2 = java.lang.String, value = item1 desc num of attributes: 3 class of attribute 0 = java.math.BigDecimal, value = 1 class of attribute 1 = java.lang.String, value = manu_item1 class of attribute 2 = java.lang.String, value = manu_item1 desc num of attributes: 3 -bwsim=[speed]:[latency] The primary function of Csla.DataPortal is to determine the appropriate network protocol (if any) to be used when interacting with Csla.Server.DataPortal. Each protocol is managed by a proxy object that implements the Csla.DataPortalClient.IDataPortalProxy interface. This interface will be discussed shortly, but for now it is enough to know that it ensures that all proxy classes implement the methods required by Csla.DataPortal. The proxy object to be used is defined in the application s configuration file. That s the web. config file for ASP .NET applications, and myprogram.exe.config for Windows applications (where class of attribute 0 = java.math.BigDecimal, value = 1 class of attribute 1 = java.lang.String, value = item1 class of attribute 2 = java.lang.String, value = item1 desc As you can see, the number attributes are converted into java.math.BigDecimal by default (this is specified in Table A-1 of the Appendix). If we change the program to comment out all method invocations in the main() method except for the method _demoStructWithCallable StmtGivesError(), we get the following error (as mentioned earlier, this is a bug in the Oracle implementation): URL:jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(PORT=1521) (HOST=rmenon-lap))(CONNECT_DATA=(SID=ora10g))) Exception in thread "main" java.sql.SQLException: ORA-03115: unsupported network datatype or representation ... To summarize, we get a SQLException when we return an object as an out parameter in a PL/SQL procedure. The workaround is to retrieve object column data as a ResultSet and then extract the column as a Struct object, as discussed alongside the description of the method _demoQueryWithCallableStmt() in the previous section. vb.net ean 128 reader Create GS1 - 128 Bar Codes with VB . NET - RasterEdge.com
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