soundstation ex

very useful.Public Exception getinnerexception (Exception ex){Return (ex. InnerException = = null)? Ex:getinnerexception (ex. innerexception);}Why do you want to get the last innerexception?! This is not the subject of this article, our theme is that if you want to get the innermost innerexception, you can do it by recursive method.Here's the code:Return (

. richTextBox1.SelectionStart = this. richTextBox1.TextLength;This. richTextBox1.ScrollToCaret ();};This. label1.Text = "";}Void LinkLabel1LinkClicked (object sender, LinkLabelLinkClickedEventArgs e){Try {Process. Start ("http://blog.csdn.net/pengqianhe ");} Catch (Exception ex ){ShowException (ex. Message );}}Void Timer1Tick (object sender, EventArgs e){If (sp. IsOpen ){This. label1.BackColor = Color. Lime

;}public void Add1 (Example e){e.i++;}public void Modify0 (Example e){Example b=e;//assigns the address of the E-line parameter object to handle Bb.i++;//also modifies the values of the E.I and arguments}public void Modify1 (Example e){E=new Example ();e.i++;}public static void Main (string[] args){Example ex=new Example ();A a=new a ();A=a.add0 (ex);//equivalent to A.ADD0 (

= DriverManager. getConnection (url, user, pwd );} Catch (Exception ex ){System. out. println ("Error:" + ex. toString ());}} // Define member variablesConnection conn;ResultSet rs; // Database operationsPublic void doGet (HttpServletRequest request, HttpServletResponse response)Throws ServletException, IOException {// Solve Chinese garbled charactersResponse. setContentType ("text/html; charset = UTF-8");

An example of shallow copy and deep copy in PHP Objective: Having recently studied the design pattern, we have noticed a shallow copy and deep replication problem when we see the prototype pattern. Here to summarize, remind yourself must pay more attention. Since PHP5, the new operator automatically returns a reference, an object variable that no longer holds the value of the entire object, but only an identifier that accesses the actual object content. When an object is passed as a parameter,

Use php to generate an excel file 1. use php to generate an excel file to describe its principles: The document directory components in excel2007 are: 3. the code is as follows: Open ('. /01.xlsx ', ZIPARCHIVE: CREATE); // 3. create an excel file (file directory and xml file) $ ex-> addFromString ('[Content_Types]. XML '," "); $ Ex-> addFromString ('_ rels/. rels '," "); $

Throw new exception I have seen some people use throw new to participate in business logic in simple functions. For example, the following code: Catch (exception ex){String error = ex. message;} Public object dosomething (string username){Try{If (string. isnullorempty (username )){Throw new exception ("the user name cannot be blank ");}}Catch (exception ex){Re

(store. openfile (filepath, Filemode. Open, fileaccess. Write ))) { Sw. writeline ("to do list :"); Sw. writeline ("1. buy supplies ."); } } Catch (isolatedstorageexception ex) { SB. appendline (ex. Message ); } } // Read the file Try { Using (streamreader reader = New streamreader (store. openfile (filepath, Filemode. Open, fileaccess. Read ))) { String contents = reader

(Example e) {e=new Example ();E.i++;}Public static void Main (string[] args) {Example ex=New Example ();A a=new A ();A=a.add0 (ex);//equivalent to A.ADD0 (ex), no return value is required because the value of I in ex is modified directly by passing the object address (handle) A.ADD1 (

authclient = new liveauthclient (); // initialization, used to obtain user data. Result = await authclient. loginasync (New String [] {"WL. signin "," WL. skyDrive "," WL. skydrive_update "," WL. photos "}); // log on. The parameter is scopes if (result. status = liveconnectsessionstatus. connected) {var connectclient = new liveconnectclient (result. session); var meresult = await connectclient. getasync ("me"); msgtext. TEXT = "Dear:" + meresult. result ["name"]. tostring () + "you have succes

parameters and uses/to connect them. For I = 0 To pinfos. GetUpperBound (0) Console. WriteLine (pinfos (I). Name "/" pinfos (I). ParameterType. ToString) Next End Sub 'Use reflection to create an instance and assign a value to the attribute Private Sub testreadwriteproperties () Try Dim asm As [Assembly] = Reflection. Assembly. LoadFrom ("G: \ exercise \ reflection_newtest \ bin \ reflection_newtest.dll ") Dim ty As Type = asm. GetType ("reflection_newtest.person ") Dim m As Object = Activa

Http://www.chenjiliang.com/Article/View.aspx? ArticleID = 14417 This class library is only applicable to basic Windows service operations and does not involve in-depth operations. I think it is enough.You can modify batches and dependencies.Copy and save /// /// Windows Service Class/// UsingSystem;Public ClassServiceutil {/// /// Verify whether the service exists /// /// /// Public Static BoolServiceisexisted (StringServicename) {servicecontroller [] services = servicecontrol

. The code segment in listing a loads from the local file system and opens an Excel file. Microsoft. Office. InterOP. Excel. Application Excel = NULL; Microsoft. Office. InterOP. Excel. Workbook WB = NULL; Object missing = type. missing; Try { Excel = new Microsoft. Office. InterOP. Excel. Application ();WB = excel. workbooks. open ("C: // test.xls", missing, and missing );Excel. Visible = true;WB. Activate (); } Catch (comexception ex ){MessageBox.

("@ employeeid", myempid) Dim Dr as sqldatareader = cmmd. executereader If dr. hasrows then While dr. Read M_employeeid = myempid M_empname = dr. Item ("empname ") M_emptel = dr. Item ("emptel ") End while End if Dr. Close () End using Catch ex as exception Throw new exception (ex. Message) End try End sub ''' ''' Adds an employee. ''' Public sub add () Try Using co

= "JDBC: mysql: // 127.0.0.1: 3306/rhythmkdb" ; /** * Rhythmk * 1. right-click the project name ---> build path-> Configure build path... A box pops up. Select * libraries in the four options, and then select the second option on the right to add external jars. */ Public Static Void Main (string [] ARGs ){ // Todo auto-generated method stub Test (); excutebyparam (); add (); Update (); select (); del ();} Public Static Void Test (){ Try {Connection con = Null ; Class. for

receiving data Public frmupload () { Initializecomponent (); } Private void frmupload_load (Object sender, eventargs E) { // Whether cross-thread access is allowed // Checkforillegalcrossthreadcils = false; Interfaceupdatehandle = new handleinterfaceupdatedelegate (showtext ); Try { If (! Sp. isopen) { Sp. open (); // Method for enabling the serial port } Btngetweight. Enabled = false; } // Throw an exception Catch (exception e