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working with data in a datatable

Lesson 2 Working with data in a connected environment

Lesson 2 Working with data in a connected environment

Cao đẳng - Đại học

... sequentially read data from a data source  The return results of Command SQL statements (no constructor)  How to use DataReader with data providers?  How to retrieving data using a DataReader? ... Load only a single row into memory at a time  Only one DataReader use at a time  Tie to connection => cannot used other DataReader  Explicitly close DataReader after used  DataReader cannot ... data binding  Using with stored procedure with a return or output parameter, must close DataReader before get parameter value Slide How DataReader works?  You can’t access anything until calling...
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Chapter 6 Working with Data in a Connected Environment

Chapter 6 Working with Data in a Connected Environment

Cao đẳng - Đại học

... SQL Maintain data DataSet Get data Command Object Maintain data Get data Connection Object DataAdapter Provider Database VB.Net 2005 - Chapter 6 Main Difference:DataSet-DataReader DataSet Data structure ... demand on client memory and CPU System .Data Architecture Program DataReader DataSet DataProvider DataAdapter Database VB.Net 2005 - Chapter Details: System .Data Architecture Program DataReader Action ... Commandn Commandn Which data? DataReadern DataReadern Result 23 VB.Net 2005 - Chapter DataReader Class Datareader and MS Access Store the information obtained by the command In stateless stream...
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 Báo cáo y học:

Báo cáo y học: "Replacement of cisplatin with nedaplatin in a definitive 5-fluorouracil/ cisplatin-based chemoradiotherapy in Japanese patients with esophageal squamous cell carcinoma"

Y học thưởng thức

... nedaplatin and 5-FU with radiation treatment for advanced esophageal carcinomas Anticancer Res 2003; 23: 3493-8 Yamada H, Maki H, Takeda Y, et al Evaluation of combined nedaplatin and docetaxel ... therapy for human head and neck cancer in vivo Anticancer Res 2006; 26: 989-94 Yamashita H, Nakagawa K, Tago M, et al Radiation therapy combined with cis-diammine-glycolatoplatinum (nedaplatin) and ... Yamamori M, Kuwahara A, et al Pharmacokinetics and pharmacogenomics in esophageal cancer chemoradiotherapy Adv Drug Deliv Rev 2009; 61: 388-01 Miki I, Tamura T, Nakamura T, et al Circadian variability...
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Localizing Client-Side Data in a Web Forms Application

Localizing Client-Side Data in a Web Forms Application

Kỹ thuật lập trình

... cultureNativeNameLabel.Text = CultureInfo.CurrentCulture.NativeName; } // Sample data that might come from a database // displayed according to culture set by user dateLabel.Text = DateTime.Now.ToString("D"); ... These classes are useful in writing globalized applications Within this namespace, the CultureInfo class represents information about a specific culture and is used in culture-specific operations ... culture-specific operations Fortunately, NET provides a collection of classes which makes this relatively easy The System.Globalization namespace contains classes that specify culture-related information These...
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Tài liệu Finding, Filtering, and Sorting Rows in a DataTable ppt

Tài liệu Finding, Filtering, and Sorting Rows in a DataTable ppt

Kỹ thuật lập trình

... 3"); DataRow productDataRow = productsDataTable.Rows.Find("3"); foreach (DataColumn myDataColumn in productsDataTable.Columns) { Console.WriteLine(myDataColumn + "= " + productDataRow[myDataColumn]); ... ProductName DESC"); foreach (DataRow myDataRow in productDataRows) { foreach (DataColumn myDataColumn in productsDataTable.Columns) { Console.WriteLine(myDataColumn + "= " + myDataRow[myDataColumn]); ... Quantity " + "FROM [Order Details] " + "ORDER BY OrderID"; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet();...
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Tài liệu Accessing Deleted Rows in a DataTable pptx

Tài liệu Accessing Deleted Rows in a DataTable pptx

Quản trị mạng

... rows in a DataTable or in a DataView The solution demonstrates an approach for getting Deleted rows from both a DataTable and a DataView Deleted rows include only those marked for deletion using ... rows in a DataTable or in a DataView The solution demonstrates an approach for getting Deleted rows from both a DataTable and a DataView Deleted rows include only those marked for deletion using ... dataGrid.ReadOnly = true; // Get the DataTable from the DataView DataTable dt = dv.Table; // Filter using the DataTable RowState DataRow[] delRows = dt.Select(null, null, DataViewRowState.Deleted); StringBuilder...
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Tài liệu Selecting the Top n Rows in a DataTable doc

Tài liệu Selecting the Top n Rows in a DataTable doc

Quản trị mạng

... Orders table SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Orders", ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable dt = new DataTable( ORDERS_TABLE); da.Fill(dt); da.FillSchema(dt, ... with a Freight value greater than or equal to that value Add the appropriate delimiters when making non-numeric comparisons in the filter expression At this point, we are done unless there can ... more than one instance of the value in the nth record, as is the case with Freight In this case, iterate over the records following the nth record and add criteria to a copy of the data view...
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Tài liệu Module 2: Updating Data in a Database doc

Tài liệu Module 2: Updating Data in a Database doc

Chứng chỉ quốc tế

... M+0#!7&%'7)0-!)%!&079(.0!)+0!+%'0!7(308!.9* .A! >%5! f5! G#!)+0!6%%9,!'0#/8!.9* .A! M01!J0))*#3,8!,090.)!)+0!L()(1(,0!)(18!)+0#! ,090.)!0(.+!=%##0.)*%#!(#-!.9* .A! S0&*$;8!(#-!)+0#!.9* .A! GZ5! H%&!*#,)&/.)*%#,!%#!*'7%&)*#3!>0)4% &A" #.5'-18!&0$0&!)%!0?0&.*,0!^!%$!O(1! ... I&0
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Tài liệu Modifying Rows in a DataTable phần 1 ppt

Tài liệu Modifying Rows in a DataTable phần 1 ppt

Kỹ thuật lập trình

... steps to add a new row to a DataTable: public static void AddDataRow( DataTable myDataTable, SqlDataAdapter mySqlDataAdapter, SqlConnection mySqlConnection ) { Console.WriteLine("\nIn AddDataRow()"); ... the DataTable to // create a new DataRow Console.WriteLine("Calling myDataTable.NewRow()"); DataRow myNewDataRow = myDataTable.NewRow(); Console.WriteLine("myNewDataRow.RowState = " + myNewDataRow.RowState); ... the setup of the DataAdapter object Adding a DataRow to a DataTable In this section, you'll learn how to add a DataRow to a DataTable Before you see this, let's populate a DataSet with the rows...
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Tài liệu Modifying Rows in a DataTable phần 2 docx

Tài liệu Modifying Rows in a DataTable phần 2 docx

Kỹ thuật lập trình

... DisplayDataRow() is defined as follows: public static void DisplayDataRow( DataRow myDataRow, DataTable myDataTable) { Console.WriteLine("\nIn DisplayDataRow()"); foreach (DataColumn myDataColumn ... myNewDataRow at various points The output from AddDataRow() and its call to DisplayDataRow() is as follows: In AddDataRow() Calling myDataTable.NewRow() myNewDataRow.RowState = Detached Calling myDataTable.Rows.Add() ... locate the DataRow // in the DataTable using the primary key value DataRow myEditDataRow = myDataTable.Rows.Find("J5COM"); // step 3: change the DataColumn values of the DataRow myEditDataRow["CompanyName"]...
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Tài liệu Updating a Data Source with Data from a Different Data Source doc

Tài liệu Updating a Data Source with Data from a Different Data Source doc

Kỹ thuật lập trình

... tracks changes made to data by maintaining multiple versions of each row allowing the data to be reconciled later to a data source using a DataAdapter The data source to which the DataSet is reconciled ... contains data and schema information within its contained objects, but not information about the provider that was used to retrieve the data or the original source of the data The DataSet tracks ... DataAdapter is called using the DataSet containing the changes as the data object argument; this applies the changes to the destination data source The destination DataSet is then cleared and...
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Tài liệu Finding Rows in a DataTable ppt

Tài liệu Finding Rows in a DataTable ppt

Kỹ thuật lập trình

... returns null Use a DataView based on the DataTable to locate records in one of the following ways: o Use the RowFilter property of the DataView Create a DataView based on the DataTable and set the ... ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable dt = new DataTable( ORDERS_TABLE); da.Fill(dt); da.FillSchema(dt, SchemaType.Source); // Bind the table to the grid dataGrid.DataSource = dt.DefaultView; } private void findButton_Click(object ... private void FindDataTableRowsForm_Load(object sender, System.EventArgs e) { // Fill the Orders table SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Orders", ConfigurationSettings.AppSettings["Sql_ConnectString"]);...
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Tài liệu Editing and Updating Data in a Web Forms DataGrid pdf

Tài liệu Editing and Updating Data in a Web Forms DataGrid pdf

Kỹ thuật lập trình

... dataGrid.DataSource = CreateDataSource( ); dataGrid.DataKeyField = "Id"; dataGrid.DataBind( ); } private DataTable CreateDataSource( ) { DataTable dt = new DataTable( TABLENAME); // Create the DataAdapter ... with changes made to the cached DataTable The updated DataTable is stored to the Session variable used to cache the data source for the DataList BindDataGrid( ) This method gets the cached data ... Session variable to cache the data source for the DataGrid UpdateDataSource( ) This method creates a DataAdapter and uses it with updating logic generated by a CommandBuilder to update the data source...
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Tài liệu Using XPath to Query Data in a DataSet doc

Tài liệu Using XPath to Query Data in a DataSet doc

Kỹ thuật lập trình

... ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable orderTable = new DataTable( ORDERS_TABLE); da.Fill(orderTable); ds.Tables.Add(orderTable); // Fill the OrderDetails table and add it to the DataSet da = new SqlDataAdapter("SELECT ... [Order Details]", ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable orderDetailTable = new DataTable( ORDERDETAILS_TABLE); da.Fill(orderDetailTable); ds.Tables.Add(orderDetailTable); ... = new DataSet("Orders_OrderDetails"); SqlDataAdapter da; // Fill the Order table and add it to the DataSet da = new SqlDataAdapter("SELECT * FROM Orders", ConfigurationSettings.AppSettings["Sql_ConnectString"]);...
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Tài liệu Working with Dates in Flash docx

Tài liệu Working with Dates in Flash docx

Kỹ thuật lập trình

... the calendar_dc instance When this occurs, a Date object representative of today's date is placed into calendarDate The information contained in the calendarDate Date object plays a significant ... 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 accordingly ... nameOfDays and nameOfMonths Each array contains several string values representing the names of days and months, respectively These arrays are necessary because ActionScript doesn't assign names...
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Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study in the Netherlands potx

Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study in the Netherlands potx

Điện - Điện tử

... resulting in an averaged spatially resolved concentration pattern for each wind class Various input data was taken into account in the calculations as described earlier [18,19], including annual data ... averages In addition, we examined mean maternal PM10 and NO2 exposure levels during total pregnancy according to maternal characteristics and infant characteristics Information on these characteristics ... home address, using a combination of continuous monitoring data and GIS based dispersion modelling techniques, taking into account both the spatial and temporal variation in air pollution In addition,...
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Báo cáo khoa học:

Báo cáo khoa học: "DEALING WITH CONJUNCTIONS IN A MACHINE TRANSLATION ENVIRONMENT" pptx

Báo cáo khoa học

... Left-peripheral ellipsis wlth two NP remnants: (22) Max gave a nickel to Sally and a dime to Harvey (23) Max gave Sally a nickel and Harvey a dime (24) Jack calls Joe Mike and Sam Harry A3 (Gapping)Left-perlpheral ... Mary in London As we stated above, (12) is not a case of Gapping; instead, we take "Sue and Mary" as a c o o r d i n a t e NP Nor is (13) a case of Gapping (14), h o w e v e r , cannot be treated ... constituents as in Albert Max spoke fluently, and Albert M a x wrote a novel, and Alex a (18) John drove his car through and completely demolished a plate glass window Max wrote a novel, and Alex Bob saw...
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Bell & Howell Information and Learning 300 North Zeeb Road, Ann Arbor, MI 48106-1346 USA 800-521-0600UMI.The Potential of Soil Survey Data in a Quantitative Evaluation of Surficial Geology Mapping in Northern Maine by Rosalia EvansThesis submitted t pptx

Bell & Howell Information and Learning 300 North Zeeb Road, Ann Arbor, MI 48106-1346 USA 800-521-0600UMI.The Potential of Soil Survey Data in a Quantitative Evaluation of Surficial Geology Mapping in Northern Maine by Rosalia EvansThesis submitted t pptx

Kỹ thuật lập trình

... stony loam Machias gravelly loam Machias gravelly loam Machias gravelly loam Madawaska fine sandy loam Madawaska fine sandy loam Madawaska fine sandy loam Made land Mapleton shaly silt loam Mapleton ... CoA CoB CoC DaB EaA EaB EsB FhA FhB HaA HaB HoA HoB HoC HvB HvC MaA MaB MaC MbA MbB MbC Md MhB MhC MhD Mn MoA MoB MrB Allagash Allagash Allagash Allagash Canadaigua silt loam, thin solum Caribou ... kame, and on a kame terrace Glaciolacustrine originating as a blanket formation and a deltaic formation Colluvium originating on a kame terrace Organic swamp originating as a blanket formation...
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Working with Men in Health and Social Care ppt

Working with Men in Health and Social Care ppt

Sức khỏe giới tính

... declaring an interest in masculinity practitioners in health and social welfare will necessarily agree with each other Even if they apparently agree on a key idea, agreement in one area may well mask ... resulting balance between a masculine persona and a feminine anima He came to argue that the feminine interior of masculine men was shaped not only by individual men’s life histories but also by inherited ... 10:38 AM Page Working with Men in Health and Social Care political choices and consequences involved in adopting particular theoretical perspectives However, our approach is wide-ranging Tackling...
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teach yourself cgi programming with perl in a week - sams 1996

teach yourself cgi programming with perl in a week - sams 1996

Kỹ thuật lập trình

... QUERY_STRING and also is made available as an environment variable QUERY_STRING data also can be any valid text data It begins after the PATH_INFO data, as shown in the following line of code, and is ... server continues looking for PATH_INFO and QUERY_STRING data PATH_INFO is added after the target URI Any valid text data can be added after the target URI The PATH_INFO data is terminated by a question ... greater risk The Basic Data- Passing Methods of CGI The way data is sent back and forth across the Internet is one of the most unique aspects of CGI programming Gathering data and decoding data are...
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