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.Net Database Articles


81: Marc data format and database format conversion experience
First of all, thank CSDN on djkhym (hym), to my great help, learn from the process of his thinking. Marc (machine readable catalogue) data, MARC data. Marc format and the conversion of the database is a library system an important part of the core ...

82: Pocket PC in the use of Web Service to connect database
Pocket PC in the use of Web Service to connect database Preface Microsoft Mobile Developers Conference held in Beijing in June, and domestic mobile application software, although still in its infancy, but the prospects for broad areas have been mo...

83: C # check the local address and network segment scanning
using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Net; using System.Threading; namespace WindowsApplication1 ( / / / <summary> / / / Form1 summary. / ...

84: DropDownListColumn to write a DataGrid
Net have a class DataGridColumn DataGrid control as a different type of base class list. About this type of a list of all members, please refer to the members of DataGridColumn. System.Object System.Web.UI.WebControls.DataGridColumn System.Web....

85: Drag and drop a table cell data in exchange for the script
Drag on the table in exchange for the data cell, huh, huh, copy down Give it a try:) <! - Welcome to reprint, please retain the author and the source, thank you -> <HTML> <HEAD> <META Http-equiv="Content-Type" cont...

86: General file to database, write to the disk from the database code
General file to database, write to the disk from the database code ---- 20040809 I leave in the past few days, just have time to continue the preparation of mycodelibrary 1.5 version, this evening just wrote out a document deposited with the databa...

87: Five ways to improve SQL performance
Sometimes, in order to let applications run faster, all the work is done here and there to do some small adjustments. Ah, but the key is to determine how to adjust! Sooner or later you will encounter this situation: the application of the SQL query ...

88: Database ADO.net connection (Microsoft)
MSDN in the,. Net database connection string has detailed instructions, I am here to source out some way of example, the specific significance of each of the representatives can see MSDN. Database ADO.net connection (Microsoft) Microsoft has provi...

89: Access to the database table structure
DataSet ds = new DataSet (); System.Data.SqlClient.SqlConnection cnn = new System.Data.SqlClient.SqlConnection ( "server = (local); database = northwind; trusted_connection = yes"); cnn.Open (); System.Data.SqlClient.SqlCommand cmd = ne...

90: The usage of DataGrid (a) Basic Usage
Summary of previous work has been the usage of DataGrid, I have been to throw on the one hand, and accidentally turned out today, they want to put this article csdn, to share with you and for your criticism. This paper is a DataGrid usage of the po...

91: DataGrid rows to increase the serial number!
Sometimes, you need to in the DataGrid to display the serial number of each line, if you use the Oracle database, you can use RowNum structure in the Select line command in the serial number, and then directly bind to the DataGrid, but if using a SQ...

92: Database access and local file access test report
Has been that the database access than local file access is much slower, but how many are not quite sure how slow. Can not help but finally made a comparison test under. Test environment: OS --- Windows 2000 Server DatabaseServer ---- SQLServer 200...

93: Use DataGrid to edit, modify or delete records
if exists (select * from dbo.sysobjects where id = object_id (N '[dbo]. [People]') and OBJECTPROPERTY (id, N'IsUserTable ') = 1) drop table [dbo]. [People] GO CREATE TABLE [dbo]. [People] ( [pkID] [int] IDENTITY (1, 1) NOT NULL,...

94: Trigger in the DataGrid Authentication ------- Causesvalidation In Datagrid
Causesvalidation In Datagrid Datagrid in our editing, we may have to be on the data entered by the user authentication to ensure data accuracy, completeness. To resolve this problem there are many different ways, such as: We can use the validation ...

95: Summing up the development of personal database (ADO.NET)
1. SqlConnection connection with SQL Server 1. Adding namespace using System.Data.SqlClient; 2. To connect database SqlConnection myConnection = new SqlConnection (); myConnection.ConnectionString = "user id = sa; password = sinofindb; ini...

96: SQL Server image data storage strategies and methods
At present, the management of image data for the most used method table + entities, that is, to document the form of image data stored in the directory specified by the computer, the table in the database reflect only the image data file storage pat...

97: c # in the DataGrid data add edit delete code
private void DeleteDevData () ?? ( ??? int deleteNum = 0; ???// To delete the selected record of a line or row, the DataGrid calls IsSelected (i) function, if the function returns the results of true, said the bank is selected ??? ArrayList arrL...

98: Detailed study of a program DataReader
//************************************************ *********** / / * Name: a detailed study of the procedure DataReader, also showed Command Usage / / * Function: demonstration of the operation of the DataReader. / / * Note: If you need a text de...

99: Also play DataGrid paging
Ha ha, not. NET's. The past few days to answer questions on the Forum, it was suggested that the DataGrid paging control. Take a look: ? Database: test2000.mdb Table: numbers Fields: Id (Auto ID), anumber (Digital) ? Because the DataGrid...

100: ADO.NET in the operation of multiple data tables - read
ADO.NET in the operation of multiple data tables - read Author: Zheng Zuo ??????? 2004-8-5 ???????? In the development based on. NET platform, database applications, we usually use DataSet, as the core of ADO.NET type that it has provided us with ...


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