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.Net Database Articles


41: Rule out the possibility to repeat the string
'Rule out the possibility to repeat the string Function GetNotRepeat (ByVal ArrList As ArrayList) As ArrayList Dim i As Integer: Dim TmpArrayList As New ArrayList For i = 0 To ArrList.Count - 1 If Not TmpArrayList.Contains (ArrList (i)) Then...

42: Access to e-mail from a string array
'Access to e-mail from a string array Function GetMailListFromStrStream (ByVal StrStream As String) As ArrayList Dim Re As System.Text.RegularExpressions.Regex Dim RegStr As String = "[a-zA-Z0-9 ]+@([ a-zA-Z0-9] + \.) + [A-zA-Z0-9] +&quo...

43: Series Ado.NET transaction isolation level on the quiz
Of the problem: Some services in order to avoid complicated issues, so the affairs of the isolation level set to the highest level Serilizable, the problem of unexpected results occurred. Assuming that there is a table t1 There is only one field ...

44: . net in the function can return multiple values
. net in the function can return multiple values of the Through out the keyword private string TestOut (out char i) ( i = 'a'; return "good study"; ) private void button_Click (object sender, System.EventArgs e) ( char i; ...

45: Webpart deployment method
Method One: 7. Solution in the same add a CAB installation package engineering, joined the project, "the main output" and "the contents of documents" 8. Generated throughout the Solution, to confirm the success of the two works...

46: Create a basic webpart
Sps sdk in accordance with the documentation, I tried to develop their own webpart, the process is as follows: 1, the use of templates to create a webpart project 2, the definition of the output path to interput \ wwwroot \ bin the next. 3, set t...

47: Webpart deployed some reason, I realize
In fact, is a web control webpart, so from here I do not think I know how to deploy. Netweb the controls. First of all, or webpart development, web controls, or must have a strong name, which requires each to be compiled together with the version n...

48: The new band hand-converter (written by stupid)
using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace S_H_C ( / / / <summary> / / / Form1 summary. / / / </ Summary> / / / public c...

49: Understanding of UDDI
services (Web services) through the Internet or other network service. However, companies or enterprises often need to publish service providers, service purposes, as well as advertising services agreement. For example, if you are on your Web site t...

50: DataSet's Merge method
In ADO.NET, we combined the two in the same or similar DataSet object, it is usually in the DataSet using the Merge method has several overloaded versions of it before introducing the Merge method, we first review, the following is on MSDN Merge Met...

51: How to Char array of characters for the identification element, String partition, and lists out characters?
Let us take a look ToCharArray () and Split () the two methods, as it related to this issue. Look at ToCharArray () method, it is the characters in this instance are copied to an array of Unicode characters, it belongs to String class methods, able...

52: How compatible PetShop database
Transplantation is usually the database will bring a high price. I understand it all too well. The cost of the procedure depends on the size of the structure of how to write. Last year, a project to move from MySQL to Oracle, the entire process is d...

53: Database abstraction layer factory archiving solution [escalating version]
Simple factory pattern is based on data provided to it, the return of several possible categories in the instance of a class. Usually it back to the class have a common parent class and common methods, but the task of implementation of each method d...

54: Bind HTML data (Data Binding)
Have not thought about it before in the javascript to use recordset? The original operation on the client data can also be as simple as the definition of a data source, data binding in a variety of tag, the realization of the effect of general appli...

55: Instead of using the Tab key to enter the function code
/ / / <summary> / / / Keyboard event handling / / / Main function is to rewrite the events of keyboard commands. Allows the user when in use, if not the focus of the current Button (button) on the words, you can use the Enter key instead of ...

56: Using Visual Basic 6.0 to automate testing
Abstract: This paper discusses the Visual Basic 6.0 application in testing the possibility of automation, and cited a number of applications in practical work examples A current lack of automated testing tools At present, an automated software tes...

57: Read database information into the memory array
Under normal circumstances, if the data read into a simple memory array, then to deal with a small amount of data it would be easier. The following method provides an ADO.NET object loaded from the database information to the array, and the array ca...

58: DataRow state
dataSet.Table.Rows [x]. Delete () this line still exist in the DataTable, but the state has changed, even after the update should be. AcceptChanges () if we use this dataSet.Table As follows To create a DataRow object just after its state is Detac...

59: How to encrypt stored in the registry of the connection string
Target The objective of this chapter is: • stored encrypted in the registry database connection string • read from the registry in an encrypted database connection string and decrypt it. Back to top The scope of application of This...

60: Api database with the operation!
In fact, operation of the database there are a variety of ways, such as DAO, ADO, etc.. However, in the release of these need to take some time to runtime,at least as many as a dozen or so trillion. Originally very simple operation on the database, ...


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