ASP

Watermark is to prevent us from stealing our pictures.two ways to realize the effect of watermark1) can add watermark when the user uploads.A the benefits: compared to 2 methods, each time the user read this picture, the server directly sent to the

Copy Code code as follows: DataTable dt = new DataTable (); DT = ds. Tables["All"]. Clone ()///Cloning all structure passed to DT Datarow[] dr=this.dataset31.tables["Product". Select ("Bc=1"); Get the line that meets the criteria by condition

When writing aspx, do not pay attention to the autoeventwireup= "false" removed, you may die very ugly, The Page_Load part is executed two times at a time when the page is loaded! Be careful not to remove any of the ASPX Autoeventwireup= "false"

Copy Code code as follows:

Copy Code code as follows: public partial class _default:system.web.ui.page { Protected string title= "everyone good"; Front Code protected void Page_Load (object sender, EventArgs e) { DataSet ds = new DataSet (); String sql =

Suppose the parentform.aspx page has a TextBox1 text box and an open button Click the Open button to eject the Subform.aspx,subform.aspx page with the TextBox1 text box and the Close button Clicking the Close button closes the Subform.aspx page and

Asp. NET provides us with a control class: System.Web.UI.HtmlControls.HtmlGenericControl. It can implement an instance of an HTML element, such as controlling the element in ASPX in the. CS code (note that it is not ). We know that the title of the

Copy Code code as follows: Using System; Using System.Collections.Generic; Using System.ComponentModel; Using System.Data; Using System.Drawing; Using System.Text; Using System.Windows.Forms; Namespace WindowsFormsApplication1 { public

Page code is mainly JS View Plaincopy to Clipboardprint Copy Code code as follows: Untitled Page function Imagesrc () { document.getElementById ("image"). Src=document.all.fileupload1.value; } --> text= "Upload"

The application usage in asp.net is the same as the ASP, almost nothing to say, but it has two more particularly useful events, Application_onbeginrequest and Application_onendrequest. Their same as the original Application_OnStart and

Copy Code code as follows: Using System; Using System.Collections; Using System.ComponentModel; Using System.Data; Using System.Drawing; Using System.Web; Using System.Web.SessionState; Using System.Web.UI; Using

Copy Code code as follows: Major additions Copy Code code as follows: Usesubmitbehavior= "false" onclientclick= "this.disabled=true; "2 properties can prevent multiple submissions By the way, ask for a question. After

Several ways (not described in this article), to save a session to SQL Server, you need the following steps: 1. First, create a database to hold the session data in the form of a command line, using Aspnet_regsql.exe to complete the command

Recently do a function, taking into account the ease of use of users, reduce pop-up pages, the use of point "edit" button without pop-up page directly the current row of cell content can be edited. Enter the page to display the following figure:

1. Ways to obtain data DataReader for online operation of data, DataReader will always occupy the SqlConnection connection, in the process of obtaining data other operations can no longer use the SqlConnection connection object. Copy Code

Copy Code code as follows: Int intcount = this. GridView1.Rows.Count; 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 {

View Code Copy Code code as follows: Common code instance for accessing a database 1. Please enter the corresponding database connection string "2. Please enter the appropriate SQL query command statement "3. Select the type of

Copy Code code as follows: Using System.Text.RegularExpressions; Using System.Diagnostics; public class Test { Public test {} public static string Getcustomermac (String IP)//para IP is the clients IP { String Dirresults= "";

What's circulating on the internet > ASP without refreshing, add an iframe, get a JS can not be called No refresh ... The code is not case sensitive, please modify it yourself! Full static no refreshing idea: //countless new calls to the current

Copy Code code as follows: Using System; Using System.Collections.Generic; Using System.Drawing; Using System.Windows.Forms; Using System.IO; Using System.Resources; Using System.Reflection; Using System.Runtime.InteropServices;