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.Net Database Articles


141: Use. Net framework for database access to OLEDB.
Access to SQL Server database can use the DMO system components or direct access to the information table, such as tables, views, stored procedures, such as the existence of sysobjects table, the information out there syscolumns table. If you want a...

142: Net Data Backup and Restore
Database: SQL Server; quoted SQLDMO ◆ Data Backup: / / / <summary> / / / Backup database / / / </ Summary> private void btnBackUp_Click (object sender, System.EventArgs e) ( this.Cursor = Cursors.WaitCursor; this.label1.Text = ...

143: SQL statements do not query the data in the DataTable
In the actual programming projects, often encountered such a situation: DataTable is not in the database, or database DataTable has not yet been written or read from the database of the DataTable already has been changes in the local and did not wri...

144: ADO.NET Quiz of Object Serialization
Assuming that there is some type of an entity. using System; using System.Xml; using System.Xml.Serialization; namespace TestPerson ( public class Person ( public string FullName; [NonSerialized ()] public string Password; public Male sex...

145: The use of reflective properties and the transition from the data access layer to the business objects - II
Introduction Previous article I introduced the use of attributes to describe the business objects. This article I will demonstrate how to extract description from the categories of information. In order to explain how it work, I will be in front of...

146: The use of reflective properties and the transition from the data access layer to the business objects - III
Introduction Finally, this article series. The first part described the second part describes how to obtain. Now we have to create a DAL library to make the title of our feasible. DAL Design Library I would like to create a class library in suppo...

147: HTTPService with the use of the pseudo-Asp communications Web services to complete the database operations
HTTPService with the use of the pseudo-Asp communications Web services to complete the database operations I provide a pseudo-service asp thinking: clientReq.xml: -------------------------------------------------- --------------------------------...

148: String with an array of mobile
This is the string to deal with two pairs of inverse functions of each other Function: Mobile string Made by: arymoveleft ( "string", mobile number) For example: dim strg strg = "123456789" strg = arymoveleft (strg, 2) The...

149: Array of simple string operations, encryption can be used
Public Function ary (str) Dim a () Dim b () Dim lenstr 'string length Dim i, j 'cycle variables Dim ouflag lenstr = Len (str) If lenstr Mod 2 = 1 Then 'Length is odd ouflag = False lenstr = lenstr + 1 ReDim a (2, lenstr / 2) ...

150: Update the database using the SqlDataAdapter Methods
In fact, a very simple method of using SqlDataAdapter's update on the list. For example, under the main code follows: private void update () ( string link = ConfigurationSettings.AppSettings [ "link_local"]. ToString (); SqlConnect...

151: On the database connection string of safety problems
In. NET Data Access Architecture Guide article ConnectionString see several ways to save: In an application configuration file Advantages: easy to deploy and easy to control programming to support the dynamic update Disadvantages: security In a ...

152: vb.net database connection
Select the left side of the project "tool box" of the database adapter, using the example of ODBC data source, so I chose to OdbcDataAdapter. Select OdbcDataAdapter, in the Properties window, select the SelectCommand, start, select Connec...

153: . net in the webform and winform connect sql server 2000 database c # operation type
1. The winform to connect c # Note: (1) The call must be invoked such namespace (2) cited in the namespace using System; using System.Data; using System.Data.SqlClient; (3) call example: DataSet ds = new DataSet (); string sql = "select...

154: The DataRow and DataColumn on a personal and easy to understand
PS: In fact, this is only here as a I do not know where their own by more than a record. If there is anything wrong or improper correction of the local welcome. On the DataRow and DataColumn, in fact rows and columns of the DataTable, the DataTable...

155: DataGrid paging on Rapid Access Act
DataGrid is a very powerful server-side ASP.NET Web control, which in addition to the ability to easily displayed by a variety of ways to format data in tabular form can also form dynamic data sorting, editing and paging. To enable Web developers to...

156: Basic regular expression syntax
First of all, let us look at two special symbols' ^ 'and' $ '. Their role is to point out a string, respectively, the beginning and end. Examples are as follows: "^ The": that all "The" beginning of the string ( ...

157: There are data binding, sorting, search function ListView (a)
The controls used solely for the practice, there is no substitute for considering the use of DataGrid. Deficiencies in the control: 1, when the father running form, DataSet to be filled when, ListViewEx can not automatically determine the kinds of ...

158: There are data binding, sorting, search function ListView (b):
using System; using System.Data; using System.Text; using System.Globalization; using System.Collections; using System.Reflection; using System.Drawing; using System.Drawing.Drawing2D; using System.Drawing.Design; using System.Windows.Forms...

159: Separate control Treeview inside IE WebControl several actions Postback
The use of the TreeView is often a need to move to server-side PostBack to do some data manipulation, such as such as OnExpanded or SelectIndexChange. TreeView control provides a set AutoPostBack attribute of the TreeView to the need for action to m...

160: Frequently asked questions DataGrid
DataGrid time when we may not very familiar with it, and sometimes some of the most common settings will let you upset half a day, in view of this, I summed up some of its more common usage, the hope that they will beDataGrid people some help. Each...


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