catch exception ex throw ex

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Convert object objects and String Conversion Arrays

/// /// Convert object /// /// Converted entity /// Converted entity /// /// /// Public T2 parstmodel (T1 T1, T2 T2 ){ Try { If (T1 = Null ){ Return

API-based directuihwnd form access in. net

Start with the question:    1. Add reference. Project-> Add reference-> C:/progmme ~ 1/MSN Messenger/msnmsgr.exe    2. Using messengerapi;    Statement:    Private messengerapi. messengerclass MSN; Private messengerapi. imessential

How to dynamically create controls based on strings on. NET

Using strings to dynamically create controls in. NET is achieved through reflection. First, the system. type. GetType method is used to obtain the type instance of the control specified in the string. Pay attention to the syntax of this string.

Database development-Database Data Base connection simple pool function inspiration

In development Community A problem that must be taken into account when a website is a concurrent request by a network user. In addition to the common means of adding cache and static html, it is also very important to optimize the tables

CRM obtains the value of the corresponding type based on the property.

/// /// end attribute type, return the property value // /// /// private string getpropertyvalue (property) {try {type thetype = property. getType (); If (thetype = (New stringproperty ()). getType () {// string stringproperty theobject =

Byte Transfer to object Method

When byte Transfer is changed to an object today, an error is always reported. Later, the cause is that the stream index is set to the starting position, because the index is moved to the starting position after serialization. The end of the

. Net calls flashpaper to convert the document to SwF

C # code Public static void transformfile (string filepath) {String fppath = system. configuration. configurationmanager. deleetpipeline ["flashpaper"];String outpath = filepath. substring (0, filepath. lastindexof ('.') + ". SWF ";String Param =

Converts a collection of query statements to a able object.

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> ///   /// Converts a collection of query statements to a able object. ///   ///   Query statement set ///  

Alternative asp.net method for generating static pages

Step 1: Create a project and create a simple template page: TemplatePage.htm The code is as follows:Copy code simple example of generating static pages by Porschev $ Porschev [0] $ Page Title: $ Porschev [0] $ Name: $ Porschev [1] $ url: $

Automatically create a database in C #

Using system;Using system. Data;Using system. configuration;Using system. collections;Using system. Web;Using system. Web. Security;Using system. Web. UI;Using system. Web. UI. webcontrols;Using system. Web. UI. webcontrols. webparts;Using system.

Enable. Net to use the database connection pool

* *************** Connection pool code ********************** *****   /*** Connection pool implementation**/ Using system;Using system. collections;Using system. Timers; Namespace xulongclass{/// /// Abstract description of objectpool./// Public

Simple DBHelper class in ADO (add-and-revise)

private static string connstring = "server=.; Database=hotel;uid=aa;pwd=123 ";//preferably removed from the configuration filepublic static SqlConnection conn = new SqlConnection (connstring);The method of adding and deleting publicpublic static

Implementation of the CRC32/CRC16 algorithm in C #

CRC32 algorithm1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Text;4 usingSystem.IO;5 6 namespaceGetCRC327 {8 classCrc32cls9 {Ten protected ULONG[] crc32table; One //Generate CRC32 Code table A Public

asp.net C # operation Excel detailed

ASP tutorial. NET C # operations Excel detailed System.Data; Using System.Drawing; Using System.Text; Using System.Windows.Forms; Using Microsoft.Office.Interop.Excel; Using System.Data.SqlClient; Using System.Data.OleDb; Using

Asp. NET generation of static page technology

Template page Enterprise Hall-ASP. NET generates static page technology Static Main Table page IDName{Id}{Name} Web.config file Note: In addition to manually editing this file, you can also use theWEB Administration Tool to configure settings

Ado.net Quick Questions and Answers

One, the problem in the code 1, pseudo-Sqlmapper base class Why use abstract class Basesqlmapper without interface? A: Building pigs also know that the base class of the Sqlmapper under Ibatis is an interface isqlmapper, but when the building pig

C # Implementation code for importing Excel data into a database-practical tips

If the data in Excel is as follows: The database is built as follows: Where ID is a self-added field: Code: Copy Code code as follows: Using System; Using System.Collections.Generic; Using System.Linq; Using System.Web; Using

. NET development micro-credit Public Platform Example Tutorial _ Practical Tips

The example in this article describes the method of. NET development of a micro-trust public platform. Share to everyone for your reference. The implementation methods are as follows: One, Description: Public platform information interface for

asp.net (C #) code to access binary pictures from SQL Server _ practical Tips

Here are the main ways to achieve this: 1, access to pictures (1) Convert picture file to binary and save directly into SQL Server Copy Code code as follows: //uploadhelper.cs /// ///convert picture to Long binary ///

C # Automatically create DATABASE implementation code _c# tutorial

Using System; Using System.Data; Using System.Configuration; Using System.Collections; Using System.Web; Using System.Web.Security; Using System.Web.UI; Using System.Web.UI.WebControls; Using System.Web.UI.WebControls.WebParts; Using

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