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Grove-based. NET application development Tip 2

Grove-based. NET application development tips  An example of how to handle a primary key for a database table if it is not auto-incrementing using Grove is described in the previous article. 7/13/423644. aspx.Some common operations on objects when

Blog from sqlbulkcopy to Zhou Gong

In the past two days, a small program that can be converted into a database is created to export data between two databases with different structures. I have almost never touched the database before, but will simply delete and insert data. This time,

Dynamic SQL C # implementation.

Set ansi_nulls on Set quoted_identifier on Go   Alter proc [DBO]. [GB] @ table_nameVarchar (8)   Declare @ SQL nvarchar (1000) Set @ SQL = 'update' + @ table_name + 'setId = '+ '000000' + 'where id =' + '000000' -- Set @ SQL = 'update' + 'aa' +

Print results in Asp.net

In fact, I wanted to implement this function a long time ago. The data on the Web page is usually exported to excel for printing, A few days ago, I saw that the current online store prints a new webpage. I thought it was a good idea to print it on

Asp.net is an example of how to generate a thumbnail and add a watermark to the original image.

Asp.net is an example of how to generate a thumbnail and add a watermark to the original image. This document describes how to use asp.net to generate thumbnails and add watermarks to original images. We will share this with you for your reference.

File path and folder path methods obtained using the browse button in C #

This article mainly introduces C # using the browse button to obtain the file path and folder path method, combined with the instance form analysis of C # Browser event response and file operation related skills, the need for friends can refer to

Example code in C # inserting data from a DataTable into a database at a time

This article mainly introduces the method of C # to insert data from DataTable into database at once, which has certain reference value and is interested to understand. Now the actual situation is this: Customer has a punch machine, the information

Only one process can read the same file

String straa = ReadFile (file. FullName, FileAccess. Read, FileShare. None );   Private string ReadFile (string strFilePath, FileAccess fileAccess, FileShare fileShare){Try{FileStream fs = new FileStream (strFilePath, FileMode. Open, fileAccess,

AutoComplete of AjaxControlTookit Series

Here we need to implement the AutoComplete function of AjaxControlTookit. This function is used in common page searches and is very simple to use. However, if you want to expand it, you have to find another solution. Here we will only introduce how

Excel hide Sheet

Private void OpenForEditSheet (string strFilePath, string strSheetName) {Microsoft. office. interop. excel. applicationClass xlApp = new ApplicationClass (); Microsoft. office. interop. excel. workbooks xlWorkbooks; Microsoft. office. interop. excel.

Obtain the names and fields of all tables in Access data.

--------------// Obtain the Access database table namePublic void GetTableName (){String connString = "Provider = Microsoft. Jet. OLEDB.4.0; Data Source =" + @ "C: \ Information Technology Test Result. mdb ";OleDbConnection conn = new

Save the image to the database table, read the image from the database table, and display it

Author: lxc Source: blog Park Release Date: Read: 293 Original article links [favorites] I. page file. aspx & nbsp; Text = UpFile onclick = "btnUpFile_Click"/>& Nbsp; Onclick = "btnDisplayPicture_Click"/> "height = 100 width = 200/>

Traverse the file library folders and files under SPWeb

Traverse the file library folders and files under SPWeb Background: Recently, we are working on a MOSS Farm management report. We need to create a management report By Farm, By Site, By Web, By Libray, By Document. The lifecycle of the retrieved

Use the pageddatasource class to implement pagination of repeater and datalist

Use the pageddatasource class to implement pagination of repeater and datalist. Pageddatasource encapsulates the pagination attribute of the DataGrid. We can perform pagination like the DataGrid. HTML code No title page au_id au_fname au_lname

Learn how to run the logon window and main window.

Learn how to run the logon window and main window. Reprint please indicate from Zhu jiayuan http://blog.csdn.net/zhgl7688 To sum up, learn from each other: The logon window is displayed. the return value of the logon window is determined. The main

Dynamically control the status and input value of textbox in the DataGrid !!

The functions to be implemented are: 1. textbox "quantity used" is dynamically generated. 2. dynamically control the "available quantity" status in the background. 3. The input quantity for controlling "available quantity" cannot be greater than

Use dropdownlis to implement a brushless newest linkage menu

The following is the backgroundCode: Private system. Data. oledb. oledbconnection conn; Private datatable get_dt (string SQL){String connstr = "provider = msdaora.1; Password = aqjc; user id = aqjc; Data Source = aqjc ";This. Conn = new

Dynamic database creation

To dynamically create a database, instead of designing a database in the SQL Enterprise ManagerProgramCreate a database and a table.The concept of using a program to operate a database always begins with a connection to the database, and then

Store BLOB data in C,

I now write a stored procedure in Oracle as follows:Create or replace procedure update_student_clob (V_cmid in number, -- table's primary key IDV_geometry in blob -- New graphic object)IsLobloc blob;Query_str varchar2 (1000 );Begin-- Retrieve BLOB

Asp.net neatupload supports large File Upload components

1. Add brettle. Web. neatupload. DLL to the toolbox. You can see the inputfile and other controls in the toolbox.2. Copy the folder neatupload to the root directory.3. Drag and Drop the upload control inputfile and progress bar to add the Upload

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