using dataset dataadapter to query data

... DataSet ds; // private void XPathQueryForm_Load(object sender, System.EventArgs e) { ds = new DataSet( "Orders_OrderDetails"); SqlDataAdapter da; // Fill the Order table and add it to the DataSet ... access the XmlDataDocument to perform certain functionality more conveniently than could be accomplished using the DataSet directly To execute an XPath query against the contents of a DataSet, call ... Orders and Order Details data If the Nested property were false, you'd have to use a second XPath query to retrieve the Order Details data from the XMLDataDocument for the DataSet [ Team LiB ] ...

Ngày tải lên: 26/01/2014, 10:20

... Module 3: Using ADO.NET to Access Data Using DataViews Topic Objective To explain the role of DataViews in accessing data from a database by using DataSets Lead-in To access data from a DataSet, ... method to get data into a DataReader DataSet Objects The DataSet is designed to handle the actual data from a data store The DataSet provides a rich object model to work with when passing data ... 12 Module 3: Using ADO.NET to Access Data # Accessing Data With DataSets Topic Objective To introduce the topics included in the section ! Using DataSets to Read Data Lead-in ! Storing Multiple...

Ngày tải lên: 27/10/2013, 07:15

... ordering Exercise Convert vector data to grid format The objective of this exercise is to learn how to convert vector data, the Rivers.shp theme, into a grid theme of raster data During the conversion ... coordinate to that location When to use raster In some analyses, raster data is more appropriate than vector data Depending on the analysis you're performing, however, vector or raster data or both ... with vector data Spatial coincidence Spatial coincidence is the comparison of two or more layers of data Suitability analysis can be performed by querying spatial and attribute data to determine...

Ngày tải lên: 21/10/2014, 10:10

... "@CustomerID"; param.Value = customerId; // Create the DataSet DataSet ds = new DataSet( ); // Create the SQL XML DataAdapter SqlXmlAdapter da = new SqlXmlAdapter(cmd); // Fill the DataSet try { da.Fill(ds); ... the list of customers into a table SqlDataAdapter da = new SqlDataAdapter(sqlText, ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable table = new DataTable("Customers"); da.Fill(table); ... customer ID String customerId = ((DataView)customerDataGrid.DataSource).Table Rows[row][0].ToString( ); // Call method to load orders for selected customer LoadOrderGrid(customerId); } private...

Ngày tải lên: 21/01/2014, 11:20

... BY ProductID"; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySelectCommand; The SELECT statement is then run when you call the mySqlDataAdapter object's ... method to retrieve rows from the Products table into a DataSet Before you can push changes to the database, you must set the InsertCommand, UpdateCommand, and DeleteCommand properties of your DataAdapter ... then call the Update() method of your DataAdapter, the appropriate stored procedure is run to push your changes to the database Let's take a look at how to set the InsertCommand, UpdateCommand,...

Ngày tải lên: 14/12/2013, 13:15

... creates a DataSet object named myDataSet and populates it by calling mySqlDataAdapter.Fill(): DataSet myDataSet = new DataSet( ); mySqlConnection.Open(); int numOfRows = mySqlDataAdapter.Fill(myDataSet, ... DataRow in a DataTable." The following method, named AddDataRow(), uses those steps to add a new row to a DataTable: public static int AddDataRow( DataTable myDataTable, SqlDataAdapter mySqlDataAdapter, ... mySqlDataAdapter.DeleteCommand = myDeleteCommand; This completes 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...

Ngày tải lên: 14/12/2013, 13:15

... SqlCommand(sqlText, conn, tran); // Create a DataAdapter to retrieve all Orders SqlDataAdapter da = new SqlDataAdapter(cmd); // Define a CommandBuilder for the DataAdapter SqlCommandBuilder cb = new ... table with Orders DataTable dt = new DataTable( ); da.Fill(dt); // Bind the default view of the table to the grid dataGrid.DataSource = dt.DefaultView; cancelButton.Enabled = true; dataGrid.ReadOnly ... connection tran.Rollback( ); conn.Close( ); // Unbind the grid dataGrid.DataSource = null; startButton.Enabled = true; } private void UsingLockingHintsForPessimisticLockingForm_Closing( object sender,...

Ngày tải lên: 14/12/2013, 18:16

... intended to contain data Their presence is sufficient to convey meaning, as shown in the following example: 10 Module 9: Using XML to Exchange Data The ... observed when using XML to exchange data ix THIS PAGE INTENTIONALLY LEFT BLANK Module 9: Using XML to Exchange Data # Overview ! Introduction to XML ! Validating XML Documents ! Using the Document ... the following example: to this syntax > Module 9: Using XML to Exchange Data XML Syntax (continued) ! Attributes ...

Ngày tải lên: 21/12/2013, 19:15

... sentences and also the automatically generated query training set The simplest way to match query tokens to snippet tokens is to allow a query token to match any snippet token This can be problematic ... a given query, and then to transfer the tags from the snippet tokens to matching query tokens This “direct” transfer idea is at the core of all ... snippets,” we first apply the baseline tagger to the query and all the snippets We match any query terms in these snippets, and copy over the POS tag to the matching query term Note that this can produce...

Ngày tải lên: 16/03/2014, 20:20

... stages of Korean -to- English query translation Korean Query Korean -to- English QueryTranslation [ Keyword Selection English Query T Query Term Bilingual Word Disambiguation I 1.2 I Query Translation ... information is used not only to select the best candidate but also to assign a weight to query terms in the target language Overall Query Translation Process Our Korean -to- English query translation scheme ... for Korean -to- English Query Translation Keyword Selection At the first stage, Korean keywords to be fed into the query translation process are extracted from a quasi-natural language query This...

Ngày tải lên: 17/03/2014, 07:20

... Attempting to stop `rg1.vip` on member `node1` Stop of `rg1.vip` on member `node1` succeeded Attempting to stop `rg1` on member `node1` Stop of `rg1` on member `node1` succeeded Attempting to start ... prior to the database instance start, the START script timeout is set to 600 seconds Page 15 Using Oracle Clusterware to Protect A Single Instance Oracle Database 11g Then ask Oracle Clusterware to ... Attempting to stop `rg1.db_ERI` on member `node2` Stop of `rg1.db_ERI` on member `node2` succeeded Attempting to stop `rg1` on member `node2` Stop of `rg1` on member `node2` succeeded Attempting to start...

Ngày tải lên: 30/03/2014, 13:20

... you how to use Visual Basic.NET and several quantitative tools to begin development of some trading strategies and to analyze data, and we will share some ideas about how to connect to industry ... to list steps and milestones that are progressing as planned Blue text is used to show steps and milestones that have been completed Red text is used to show steps and milestones that have stopped ... SECTION THREE Database Programming: Back Testing 185 11 12 13 14 15 Relational Databases 187 ADO.NET 201 Structured Query Language 219 Introduction to Data Structures 243 Advanced Data Structures...

Ngày tải lên: 23/04/2014, 16:19

... profiles, histone modification profiles, and DNA binding data for transcription factors and histone-modifying proteins This large compendium of datasets provides an unprecedented opportunity to investigate ... predictor matrix for each bin These predictor matrices were used to predict expression of transcripts by support vector machine (SVM) or support vector regression (SVR) models The genome-wide data ... trials of cross-validation For each trial, the dataset was randomly separated into two halves: one half as training data and the other as testing data to estimate the accuracy of the model The values...

Ngày tải lên: 09/08/2014, 22:23

... Learn how to run a script to create database tables automatically • Learn how to insert data into database tables • Learn how to create database transactions and commit data to the database • ... Guide to Oracle9i 41 Using Set Operators To Combine Query Results • Use to select data from multiple tables not connected with foreign key relationships A Guide to Oracle9i 42 Set Operators • query1 ... takes only fields in query1 not query2 A Guide to Oracle9i 43 Creating and Using Database Views • Similar to storing the result of a query in the database • Based on a source query that: – can specify...

Ngày tải lên: 23/10/2014, 19:21

... the data, then we can use UpSizeR to scale the dataset into desired size Scenarios that we need to down scale a dataset also commonly exist One may want to take a small sample of a large dataset ... the properties of the whole dataset, the resulting dataset may not be able to reflect the original dataset Instead, the problem can be solved by downsizing the dataset using UpSizeR with s < Even ... internet data, terabyte size databases become fairly common It is necessary for a synthetic database generator to be able to cope with such large datasets Since we are generating synthetic databases...

Ngày tải lên: 12/10/2015, 17:35

... could “take [the data] out and play with it” without endangering the sanctity of the database or the privacy of customers This allowed the qualified business user to test the data, determine its ... need to detect and manage fraud has become increasingly critical to its customers and larger parts of the business By managing the anti-fraud operations through a big data environment and using ... conduct his or her own experiments to advance the business Putting the solution into action The solution— strict governance but with the flexibilty to “take the data out and play with it” A critical...

Ngày tải lên: 30/11/2015, 21:09

... Use case name Store into database - Actor Administration department - Purpose Store document into database - General description Attach document into the form and upload into database - References ... Response Click “Create user” button Show user profile form After inserting, click on “submit” button Store user profile into database Exception User is already stored in database Show message require ... Register to “incoming book” - Actor Administration department - Purpose Register to “incoming book” - General description Insert document’s information into “incoming book” form and store into database...

Ngày tải lên: 23/11/2012, 15:04

... students have more opportunities to talk and to share ideas This interaction with groupmates encourages students to restructure their ideas For instance, they may need to summarize, elaborate, exemplify, ... expository texts K - what I Know - the teacher leads students in brainstorming what they already know about a topic and how they have acquired this information The teacher then helps students to ... ideas into more general categories W - what I Want to know - As the students think about the topic and the general categories of information, they generate questions about aspects of the topic...

Ngày tải lên: 06/09/2013, 05:10

... points and divide the points into slides At the same time, students need to take into consideration slide layout A slide cannot be too cluttered, the size of the font has to be large enough, and the ... organized and summarized now has to be presented orally so as to convey a clear message to an audience of peers Just as they would in a purely oral presentation, students have to 'rehearse' the pronunciation ... computer mode seems to minimize their tension and feeling of insecurity when having to speak in English Listening -The class now listens to the oral presentation Listening to a non-native speaker...

Ngày tải lên: 06/09/2013, 10:10

... decided which words to substitute, they are given about 10 minutes to memorize the dialogue depending on difficulty After 10 minutes, student pairs are asked to "volunteer" to perform their conversation ... also seem to really enjoy having the control to "choose" their partner by taking a card number Step - Dialogue Practice When students are seated facing each other in pairs, they listen to the example ... perform their conversation I say "volunteer" because students are told that they not have to the conversation if they don't want to, but if they "volunteer", each student will receive a "+" for...

Ngày tải lên: 06/09/2013, 11:10