Lesson 2 Working with data in a connected environment

. data providers?  How to retrieving data using a DataReader? What is DataReader? Slide 3 Connection Connection DataReader DataReader Database Database Windows Form Windows Form Command Command Connected. time  Only one DataReader use at a time  Tie to connection => cannot used other DataReader  Explicitly close DataReader after used  DataReader cannot be used for data binding  Using wit...

Ngày tải lên: 13/05/2014, 12:19

. System .Data Architecture Command Object Connection Object Program Provider DataSet DataReader DataAdapter Database Action SQL Maintain data Maintain data Get data Get data 23 VB.Net 20 05 - Chapter. 4 VB.Net 20 05 - Chapter 6 7 Main Difference:DataSet-DataReader DataSet  Data structure to store schema and data in a disconnected fashion  Useful for editing data offline and later upda...

Ngày tải lên: 13/05/2014, 12:19

. Gettype(integer)  AllowDBNull  AutoIncrement  DefaultValue  Unique  ReadOnly DataSet DataTable DataRow DataColumn DataTable DataRow DataColumn Lesson 3: Creating DataAdapter Objects  What Is a DataAdapter  Between Dataset/Datatable and. and Database  Connect to Command and Connection  Fill and Update Dataset/DataTable  Disconect to Dataset/DataTable Lesson 2: Creating DataTable Obj...

Ngày tải lên: 13/05/2014, 12:19

. CDDD!@*.&%,%$)!=%&7%&()*%#5!E99!&*3+),!&0,0&<0-5! ! @*.&%,%$)8!F(.AG$$*.08!H&%#)I(30!CDDD8!@JKLGJ8!M*#-%4,8!M*#-%4,!>68!(#-!M*#-%4,!CDDD! (&0!0*)+0&!&03*,)0&0-!)&(-0'(& ;A, !%&!)&(-0'(& ;A, !%$!@*.&%,%$)!=%&7%&()*%#!*#!)+0!N5J5E5!(#-:%&!%)+0&! .%/#)&*0,5! ! 6+0!#('0,!%$!.%'7(#*0,8!...

Ngày tải lên: 21/12/2013, 19:15

. 5-FU with radiation treatment for advanced esophageal carcinomas. Anticancer Res. 20 03; 23 : 3493-8. 15. Yamada H, Maki H, Takeda Y, et al. Evaluation of combined nedaplatin and docetaxel therapy. human head and neck cancer in vivo. Anticancer Res. 20 06; 26 : 989-94. 16. Yamashita H, Nakagawa K, Tago M, et al. Radiation therapy combined with cis-diammine-glycolatoplatinum (nedaplatin). s...

Ngày tải lên: 26/10/2012, 09:53

. Example 3-5. File: ADOCookbookCS0305.aspx.cs // Namespaces, variables, and constants using System; using System.Threading; using System.Globalization; using System .Data; using System .Data. SqlClient;. user's culture. [ Team LiB ] [ Team LiB ] Recipe 3.5 Localizing Client-Side Data in a Web Forms Application Problem You need to format dates and currency values according...

Ngày tải lên: 28/10/2013, 18:15

. Team LiB ] Recipe 4.7 Updating a Data Source with Data from a Different Data Source Problem You want to update a data source using changes made to another data source for data replication. Creates a new DataSet containing only the records that have changed in the original data source. This DataSet is then used to apply the changes to a second data source using its DataAdapter;. not info...

Ngày tải lên: 21/01/2014, 11:20

. ); dataGrid.DataKeyField = "Id"; dataGrid.DataBind( ); } private DataTable CreateDataSource( ) { DataTable dt = new DataTable(TABLENAME); // Create the DataAdapter and. Session["DataSource"] = dt; return dt; } private DataTable UpdateDataSource(DataTable dt) { // Create a DataAdapter for the update. SqlDataAdapter da = new SqlDataAdapter("SEL...

Ngày tải lên: 26/01/2014, 10:20

. W3C XML Path Language (XPath) is a navigation language used to select nodes from an XML Document. It is defined by W3 as a standard navigation language. The specification can be found at http://www.w3.org/TR/xpath .. Form.Load Sets up the sample by creating a DataSet containing the Orders table and Order Details table from Northwind and a nested relation between the two tables. Go Button.C...

Ngày tải lên: 26/01/2014, 10:20

. raw time values into readable values that < Day Day Up > Working with Dates in Flash It's useful in Flash to be able to access date information—to display the date, make. calendar_dc instance, the date information is updated accordingly. Clicking the showToday_btn instance moves the calendar_dc instance to today's date and updates the displayed date information....

Ngày tải lên: 26/01/2014, 11:20