C#

When C # is used to read text files, if it contains Chinese characters, garbled characters often occur. The general solution is to add an Encoding in StreamReader. I am using Encoding. UTF8. Generally, this parameter can be used. However, this time

We write a service. Sometimes, to enable a service to start an application, we need to modify the service attributes and check to allow service interaction with the desktop, You can modify the Registry. We must perform the operation after

① Obtain or modify the content of the current cell② Set cell read-only③ Do not display the bottom New Line④ Identify new rowsUser-Defined deletion operations in Row 5⑥ Hide and delete rows and columns7. Disable column or row ResizeAdjust the column

Susing System. Net;Using System. IO;Using System. Text;// Method 1:// Create a request for the URL. WebRequest request = WebRequest. Create ("http://www.hao123.com /");// If required by the server, set the credentials.Request. Credentials =

With the introduction of the new CLR and Base Class Library, Microsoft took the opportunity to do some "dirty work ". Although there are not many items actually removed, we still see the long list of discarded types and members listed by Microsoft.

When writing code today, I was lazy and used dynamic. As a result, I encountered a problem and I was unable to get the attributes of the dynamic object at runtime. The original problem is simplified as follows: Assembly A contains the SampleClass

There are many methods to obtain the path in c #, which are generally used in the following five ways:   // Obtain the current working directory of the application. String path1 = System. IO. Directory. GetCurrentDirectory (); MessageBox. Show ("Get

Several common C # operations on Word tables? Let's take a look at the demo: Bool SaveChange=False;  // C # operate Word tables Object Missing=System. Reflection. Missing. Value;   Object Template=(Object) TemplateFilePath;  

Internal class Win32API{# Region Win32 API Interfaces[DllImport ("netapi32.dll", EntryPoint = "NetApiBufferFree")]Internal static extern void NetApiBufferFree (IntPtr bufptr );[DllImport ("netapi32.dll", EntryPoint =

The OleDbConnection. GetOleDbSchemaTable method can be used to obtain the Architecture Information of the data source to be retrieved. It is usually used as follows: DataTable Schemadt = OleDbConnection. GetOleDbSchemaTable (OleDbSchemaGuid. Tables,

Usage,   ImageRas _ Ras = new ImageRas (@ "D: empest. ras ");PictureBox1.Image = _ Ras. Image;   _ Ras. SaveRas (@ "d: empOK. ras ");   I only implemented the 24-bit color and 8-bit color structure, which is too simple. Only the file header and data

The difference between passing a ref variable before a reference type and passing a reference type variable without a ref variable is not clear all the time. Recently, a friend on the Internet gave me a question, after careful consideration and

Before. Net 4.0, in order to make search engine-friendly and user-friendly URLs, We need to rewrite the URLs by ourselves. Now we don't need it. Net 4.0 is doing this for us. UrlRouting is called Routing because it not only implements Url rewriting,

First paste the code Private bool isMouseDown = false;Private Point mouseOffset; // records the coordinates of the mouse pointer. Private void PicBox_MouseDown (object sender, MouseEventArgs e){If (e. Button = MouseButtons. Left){MouseOffset. X = e.

1. DateTime numeric typeSystem. DateTime currentTime = new System. DateTime ();1.1 take the current year, month, day, hour, minute, secondCurrentTime = System. DateTime. Now;1.2 get current yearInt Year = currentTime. Year;1.3 take the current

1 btn Button2 chk CheckBox3 ckl CheckedListBox4 cmb ComboBox5 dtp DateTimePicker6 lbl Label7 llb LinkLabel8 lst ListBox9 lvw ListView10 mT MaskedTextBox11 cdr MonthCalendar12 icn policyicon13 nud NumeircUpDown14 pic PictureBox15 prg ProgressBar16

I encountered this problem yesterday afternoon, but the debugging was always successful, but the data was not updated. After searching on the Internet, there are still few such items, probably because the Access database is rarely used, or because

The FindControl method of the System. Web. UI. Control class appears simple enough to use. In fact, the MSDN description of the method is one simple sentence:Searches the current naming container for the specified server control.The key to using

Using System. Runtime. InteropServices; Introduce keyboard event Functions [DllImport ("user32.dll")]Public static extern void keybd_event (byte bVk, byte bScan, int dwFlags, int dwExtraInfo );Parameters: BVk: defines a virtual key code. The key

Private Point mouse_offset;Private void Control_MouseDown (object sender, System. Windows. Forms. MouseEventArgs e){Mouse_offset = new Point (-e. X,-e. Y );}Private void Control_MouseMove (object sender, System. Windows. Forms. MouseEventArgs e){If (