.Net Core

Recently I read Beginning C # Web Applications Wtith Visual Studio. Net. I feel that this book is well written in some details. I take notes to provide some useful things for future users. I will write some information today, which is completed

For example: http: // localhost/newurl/WebForm1.aspx1. Method document. URL (case sensitive)The result is: http: // localhost/newurl/WebForm1.aspx.2. HttpContext. Current. Request. Url. ToString (),Result: http: // localhost/newurl/WebForm1.aspx3.

Copy codeThe Code is as follows:If (Session ["UserID"] = "" | Session ["UserID"] = null){Response. Redirect (".../Login. aspx? M = login has timed out. Please log in again! ");}I have always thought that this method is very bad and very bad, but I

Method 1: connect directly using the. NET oracle driverInstall the Oracle client driver packageFind the Server installation path: E: \ oracle \ product \ 10.2.0 \ db_1 \ NETWORK \ ADMIN tnsnames. ora, and overwrite the file under the client

First, "null" is in C # (VB. NET is Nothing), indicating the status of a referenced object variable "not referenced" Any entity (typical symptom is that if a method of this variable is called, an NullException exception will be thrown ). String.

AdRotator. aspx: Create an AdRotator Server Control on the ASP. NET page and connect the ad XML file to the control. Use the following Server Control flag to completeCopy codeThe Code is as follows:Code for generating an advertisementCopy codeThe

Recently, we made a function to reduce the number of pop-up pages for the convenience of users. You can click the "edit" button to edit the cell content of the current row without the pop-up page. The page is displayed as follows: Click the "edit"

Copy codeThe Code is as follows:# Region // 'revision: 1.00 Created Date: 2013/08/02 Created ID: Una [#1300071] add multiple selection boxes/// /// Obtain the value of multiple selection boxes for Session failover/// Private void RememberOldValues ()

Copy codeThe Code is as follows:Int intCount = this. GridView1.Rows. Count; // The total number of rows.For (int I = 0; I {Label1.Text = (HyperLink) GridView1.Rows [I]. Cells [0]. Controls [0]). Text. ToString (). Trim ();} For (I = 0; I {CheckBox

Four things need to be done with ajax. ajaxMethod 1: add contacts in webCofig 2: add Copy codeThe Code is as follows:Protected void Page_Load (object sender, EventArgs e){Ajax. Utility. RegisterTypeForAjax (typeof (NewsDrop); // NewsDrop is the

When learning asp.net, there are always examples in the video. This is of course a good thing, but I will use Html server controls and Web server controls for a while. At first, the examples are quite confusing, I don't know how to choose this

The ExecuteNonQuery () method is used to Update data. Generally, it uses the Update, Insert, and Delete statements to operate on the database. The returned values of the methods mean: For Update, Insert, if the Delete statement is successfully

The requirements are as follows: 1. the right side of the template page contains a login div, which is displayed when you do not log on. After login, this div is hidden.2. display a welcome div, mainly to hide it through javascriptNote: you cannot

Copy codeThe Code is as follows:MVCHandler: IHttpHandlerVoid IHttpHandler. ProcessRequest (HttpContext httpContext){This. ProcessRequest (httpContext );} Protected virtual void ProcessRequest (HttpContext httpContext){HttpContextBase base2 = new

Copy codeThe Code is as follows:Name: Gender: male female Password: Mobile Phone: Ontextchanged = "TextBox3_TextChanged"> Introduction: ImageUrl = "~ /Img/QQ20130909140346.png "Width =" 72px "/> The textChange Event code is as follows: Copy

Copy codeThe Code is as follows:/// /// Export the word file/// /// template path /// export file name /// pdf file name /// set of bookmarks in the template /// invoice entry list Public static void GenerateWord (string templateFile, string

1,In the edit column, you can directly set the column width! If you don't want the cell content to increase the size of the cell, add a style., which means that each column is fixed to the style originally set and does not change. The excess part is

Configure the 404 page in the configuration file as follows: Copy codeThe Code is as follows: When accessing the website, the error page can be displayed normally, but the HTTP status code is 302, which is unfriendly to SEO. Modify the following

Copy codeThe Code is as follows:Public class LhaUtity{/// Obtain the DLL version[DllImport ("unlha32")]Private static extern UInt16 UnlhaGetVersion (); /// /// 'Obtain the DLL execution status/// /// Successful [DllImport ("unlha32")]Private static

The class library file is downloaded at the end of the file. [ThoughtWorks. QRCode. dll is the class library] You need to add:Copy codeThe Code is as follows:Using ThoughtWorks. QRCode. Codec; Using ThoughtWorks. QRCode. Codec. Data; Using