.Net Core

This error usually occurs when two files are missing and put in the project or server root directory.Create a new notepad, add a few letters, save them as the following two files, and upload the files.WebResource. axd, ScriptResource. axdFor more

The concept of membership is a relatively low level concept in human society, originated from the consciousness of a group. We hope that we can feel that we are part of a team and let others know who we are. Therefore, it is only a matter of time

Of course the image exists in the js file, so I opened flashblocker. js, browsed it, and found the following sentence:Var flash = 'data: image/png; base64, iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAA ......'() This is the first time I realized that base64

Copy codeThe Code is as follows:/// /// Obtain the Excel Data of the specified path and workbook name: obtain the data of the first sheet./// /// file storage path /// workbook name /// if you find the data, a complete Table is returned;

Copy codeThe Code is as follows:/// /// Paging Link/// /// /// /// /// number displayed before the current page /// number displayed after the current page /// Public string PageLink (int pageSize, int recordCount, int currentPage, int prev,

Recently I am working on a Web project. I use a third-party control of DevExpress.Because the control has few skills in Chinese, it is really awkward. It can only be explored and developed.Today, I want to implement some editing boxes such as

The original author seems to be called topcat. I understood it myself and wrote it back with my memory.If Select Name From StudentTable is used, the result is:NameZhang SanLi SiIf Select ROW_NUMBER () as rowindex, Name From StudentTable is used, the

Problem:Some time ago, a functional block similar to a friendly link was created in the system, and it continued to run well until the following link address was added one day: http: // www. ****. com/user. aspx? Id = shuitian, a major problem

Core technologies:Copy codeThe Code is as follows:Using System. Data. SqlClient;Using System. IO;String SqlStr1 = "Server = (local); DataBase = master; Uid = sa; Pwd = ";String SqlStr2 = "Exec sp_helpdb ";String SqlStr1 = "Server = (local); database

Copy codeThe Code is as follows: upload an image and generate a thumbnail Width: 100 Height: 150 Add information: AspxBoy. Com Information location: left: 10 Right: 135 Asp.net (vbscript) uploads images and generates thumbnails at the same

If you don't talk nonsense, go to the topic:The question is: is it such a string, "dfsdg , dgdfg , dtr35 ", extract content from "?To solve this problem, we should first group them and then judge the positions of the angle brackets. After finding

The simplest method to implement URL rewriting (URLRewriter) in asp.net.I have referenced the masterpiece (translated by Scott Mitchell: Janssen). Although I have not fully understood it, I have also made a sense of accomplishment. Write it out and

The simple error handling page can be set through web. config.Copy codeThe Code is as follows: If you want to program the cause of the error, you can use the Page_Error event.The other method can be implemented through Global. asax. I think this

1. Place the code in sqlhelper. Copy codeThe Code is as follows:# Region truncated string/// /// Capture a string/// /// /// /// Public static string leftx (string str_value, int str_len){Int p_num = 0;Int I;String New_Str_value = "";If

Copy codeThe Code is as follows:// JS CodeFunction checkname (){Var Msg = document. getElementById ("d_username ");Var chk = CheckN ();If (chk ){$. Ajax ({url: 'registerok. aspx ',Type: 'post ',Data: {lb: "checkname", username: $ ("# username"). val

If your Web application includes code to be shared among multiple pages, you can save the code in two special folders (Bin folder and App_Code folder) under the Web application root directory) in a folder.Bin folderThe compiled assembly can be

Use Response. ContentType = "type name"; in ASP. NET to determine the output format'Ez '=> 'application/andrew-inset ','Hqx' => 'application/mac-binhex40 ','Cpt' => 'application/mac-compactpro ','Doc' => 'application/msword ','Bin' =>

Sometimes we need to operate on the query parameters in a URL address. In order not to break the original structure of the URL, we generally cannot directly add & query = value after the URL, this is especially troublesome when there are multiple

Private void button#click (object sender, System. EventArgs e){If (this. IsValid ){OleDbConnection conn = dbconn. createconn ();Conn. Open ();OleDbCommand cmd = new OleDbCommand ();Cmd. commandText = "insert into a (title, content) values ('" + this.

// Perfume bad AT 06-07-25// Depressing things always keep going. The invisible pressure comes from the fear.When we use. net for data operations, we have a lot of contact with DataReader.System. Data. OleDb. OleDbDataReader;System. Data. Odbc.