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.Net Database Articles


1: Set the primary key for the DataTable
Gets or sets an array of columns that function as primary keys for the data table. [Visual Basic] <Serializable> Public Property PrimaryKey As DataColumn () [C #] [Serializable] public DataColumn [] PrimaryKey (get; set;) [C + +] [Seri...

2: DBNull to use skills
Easy to use DBNull dynamic studio skills EPower2002 One of the changes in VB.NET is to use VB6 in the IsNull and IsEmpty function to delete, and provide another way to determine whether the variable is initialized, that is, IsDBNull () method. IsD...

3: Access the database through ADO.NET
Access the database through ADO.NET Author: unknown -------------------------------------------------- ------------------------------ ADO.NET database access, whether from the syntax of the steps to view, or from the view of style and design obje...

4: Standardized database skills (MS)
Standardized database skills Luke Chung FMS president September 2002 applies to: Microsoft ® Access Abstract: This paper provides developers with a number of techniques, the use of these techniques in the design of Access table can avoid c...

5: Use DataAdapter and DataSet to update database [C #]
Adjustable DataAdapter's Update method of the DataSet is used to change the resolution back to the data source. Fill method with a similar, Update method of the DataSet instance and an optional DataTable object or DataTable name used as a parame...

6: vb.net access database picture Montaque (original)
vb.net access database picture Montaque (original) MS in Northwnd own database as an example, there is a table which is the Categories, there are four four, one of them is a Picture field type of Image. We must first add a bmp picture to the last l...

7: vb.net access database picture Montaque (original)
vb.net access database picture Montaque (original) MS in Northwnd own database as an example, there is a table which is the Categories, there are four four, one of them is a Picture field type of Image. We must first add a bmp picture to the last l...

8: . NET connection using oledb and csv format sybase connection
Read some previous time. Net in the Guinness database connection and found that not very full, especially in sybase and csv data using these two methods, and now my connection for your reference. Sybase (oledb) First of all, the ole need to instal...

9: . net multi-lingual and data set to deal with multiple data tables (2)
2, consider a data table there is the problem of multiple data What are the benefits? A very important point, it is easy to obtain navigation-related information, such as Province.GetCityRows () access to the province all of the cities below, and ...

10: Binding Dataview examples (beginners can see, it is simple, but very useful)
<% @ Page Language = "C #"%> <% @ Import Namespace = "System.Data"%> <script Language="C#" Runat="Server"> public void Page_Load (Object src, EventArgs e) ( int i; DataTable dt = new Da...

11: ASP.NET: Dispaly data from an Excel Spreadsheet
This code was written in response to a message posted on one of Charles Carroll's ASP.NET lists. You can sign up for one or all of the lists here.This page provides a simple example of how to query an Excel spreadsheet from an ASP. NET page usin...

12: Operation of a database of examples of category (b. Provider category)
using System; namespace com.joybase.DB ( / / / <summary> / / / Database connection Class / / / </ Summary> public class Provider ( / / A static link interface; private static System.Data.IDbConnection conn; / / / <summary>...

13: ADO programmers designed for ADO.NET
Abstract: This article discusses how to achieve ADO.NET basic database operations, as well as when to use ADO.NET instead of ADO. Contents . NET data access in read data DataSet, DataTable and Recordset Conversion of existing code to update data...

14: Paging Database Results in ASP.NET (Prt2) (reprint: http://www.4guysfromrolla.com/) [board-level: primary]
Paging Database Results in ASP.NET By Scott Mitchell -------------------------------------------------- ------------------------------ Read Part 1 -------------------------------------------------- ------------------------------ In Part 1 we lo...

15: Microsoft Access using ADO.NET data unlock (2)
DataReader object to the use of moving forward only, read-only access to data format Very often, you just want to simply browse the data, and do not need the data back and forth between browsing, do not need to change the data (we call this "wa...

16: Detailed study of ADO.NET (e) - DataReader
This time we will end DataReader, and we mentioned some of the skills has nothing to do with the DataReader is a very basic but also very useful skills. A, parameter query An article published in the last after a lot of friends suggested that non-...

17: DataGrid common solution: a state in the page to delete records
DataGrid paging in the use of the time, under normal circumstances, binding list database will record the effect of automatically generated pages, but I found that the deletion of a record in a time when the Federation took place "invalid value...

18: The use of the ADO.NET Data Service to protect the integrity of (3)
Affairs in ADO.Net Transaction model supports two Ado.net This. Net Framework document definition as a guide. Services are usually introduced guidebook should be aware that the database services, it affects the operation of a single target database...

19: A man and three woman's story [ ". Net framework for program design," notes study multi-chapter event _ XI sample]
Chapter XI multi-event sample [a man and three women's stories] Abstract: FCL application example of a type System.ComponentModel.EventHandlerList release events in the application of Scene: A girlfriend of three boys, each of which has diffe...

20: Analysis. Net Data Access Layer technology (d)
Ø Microsoft ObjectSpaces This is a large number in a few years ago, let. NET guy excitedtechnology. On the author, at that time, as long as I brought the subject is generallyin the J2EE guy inand returnhimselfENB (relative EJB) or NCMP (relati...


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