find duplicate rows in datatable c

... "ProductID DESC", DataViewRowState.OriginalRows); foreach (DataRow myDataRow in productDataRows) { foreach (DataColumn myDataColumn in productsDataTable.Columns) { Console.WriteLine(myDataColumn ... ProductID of 3"); DataRow productDataRow = productsDataTable .Rows .Find( "3"); foreach (DataColumn myDataColumn in productsDataTable.Columns) { Console.WriteLine(myDataColumn ... System.Data.SqlClient; class FindFilterAndSortDataRows { public static void Main() { SqlConnection mySqlConnection = new SqlConnection( "server=localhost;database=Northwind;uid=sa;pwd=sa"...

Ngày tải lên: 14/12/2013, 13:15

... been changed since it was loaded or since AcceptChanges( ) was last called. When AcceptChanges( ) is called on the DataSet, DataTable, or DataRow, either explicitly or implicitly by calling ... the sample by creating a DataTable containing Orders data from Northwind. A view containing the Current rows is bound to a data grid on the form. Current Rows RadioButton.CheckedChanged Sets ... the sample by creating a DataTable containing Orders data from Northwind. A view containing the Current rows is bound to a data grid on the form. Current Rows RadioButton.CheckedChanged Sets...

Ngày tải lên: 14/12/2013, 18:16

... making non-numeric comparisons in the filter expression. At this point, we are done unless there can be more than one instance of the value in the nth record, as is the case with Freight. In ... columns, this can be used in the initial data view filter to limit returned records in cases where there might be duplicate values in the nth record. This would be used instead of the technique just ... this places [ Team LiB ] Recipe 3.10 Selecting the Top n Rows in a DataTable Problem You want to create a grid that shows the t op five rows in a DataTable, based on the values in one...

Ngày tải lên: 14/12/2013, 18:16

... Concurrency Concurrency determines how multiple users' modifications to the same row are handled. There are two types of concurrency that apply to a DataSet: • Optimistic Concurrency ... concurrency, you can always modify a row-and your changes overwrite anyone else's changes. You typically want to avoid using "last one wins" concurrency. To use optimistic concurrency, ... optimistic concurrency, you can modify a row in a database table only if no one else has modified that same row since you loaded it into your DataSet. This is typically the best type of concurrency...

Ngày tải lên: 24/12/2013, 01:17

... mySqlConnection.Open(); int numOfRows = mySqlDataAdapter.Update(myDataTable); mySqlConnection.Close(); Console.WriteLine("numOfRows = " + numOfRows); Console.WriteLine("myNewDataRow.RowState ... explicitly include the Open() and Close() calls so that you can see exactly what is going on. Note In the ADO.NET disconnected model of data access, you should typically keep the connection to ... database Console.WriteLine("Calling mySqlDataAdapter.Update()"); mySqlConnection.Open(); int numOfRows = mySqlDataAdapter.Update(myDataTable); mySqlConnection.Close(); Console.WriteLine("numOfRows...

Ngày tải lên: 24/12/2013, 01:17

... the collection of rows filtered in the previous step // and find them in the table using the Find( ) method of the // DataRowCollection for the DataTable. int findCount = 0; foreach(DataRow ... row in drc) { DataRow foundRow = dt .Rows .Find( row[ORDERID_FIELD]); if (foundRow != null) findCount++; } resultTextBox.Text += " ;DataTable .Rows .Find returned " + findCount ... DataRow objects matching the specified filter criteria. By default, the rows in the array are ordered by the primary key or, lacking a primary key, by the order in which the rows were added to...

Ngày tải lên: 26/01/2014, 10:20

... Q5 ACTION PLAN MAKING A CHART OF THE ENERGY CONSUMPTION IN H .C. M. CITY ACTIVITIES All Ss .in each group should do their real assignement to be able to collect the own amounts of the city ... duty Completing the group’s duty 7 7 Having the creative combination’s Having the creative combination’s ideas ideas +1 +1 Having plenty of properly Having plenty of properly illustrated pictures illustrated ... without being applied for live society. • Interactive learning is impossible without pairworks and groupworks. And learning or teaching in the 21st century must always be put in the 4L situation...

Ngày tải lên: 22/07/2013, 01:27

Ngày tải lên: 19/10/2013, 16:15

... by nothing, or ASC for an ascending sort, or by DESC for a descending sort. Use commas to separate multiple sort column names. Both the Find( ) and FindRows( ) methods take a single input argument. ... between the Find( ) and FindRows( ) methods is that Find( ) returns the zero-based index of the first row that matches the search criteria (or -1 if no match is found) while FindRows( ) returns ... Environment.NewLine); } result.Append("COUNT\t" + foundRows.Length + Environment.NewLine); } resultTextBox.Text = result.ToString( ); } Discussion The Find( ) and FindRows( )...

Ngày tải lên: 14/12/2013, 18:16

... SqlCommand objects previously created customersDA.SelectCommand = customersSelectCommand; customersDA.InsertCommand = customersInsertCommand; customersDA.UpdateCommand = customersUpdateCommand; ... Orders"; // create a SqlCommand object to hold the INSERT SqlCommand ordersInsertCommand = mySqlConnection.CreateCommand(); ordersInsertCommand.CommandText = "INSERT INTO Orders (" ... customersUpdateCommand.Parameters["@OldCompanyName"].SourceVersion = DataRowVersion.Original; // create a SqlCommand object to hold the DELETE SqlCommand customersDeleteCommand = mySqlConnection.CreateCommand(); customersDeleteCommand.CommandText...

Ngày tải lên: 24/12/2013, 01:17

... "Customers") 89. mdsCustIndiv.Tables("Customers").AcceptChanges() 90. 91. ' Close the connection 92. If mblnAdd Then 93. modaCustIndiv.InsertCommand.Connection.Close() ... following code to the Click event btnCancel. 105. Private Sub btnCancel_Click(ByVal sender As System.Object, _ 106. ByVal e As System.EventArgs) Handles btnCancel.Click 107. 108. ' Cancel ... mdsCustIndiv.Tables("Customers").AcceptChanges() 138. 139. ' Close the connection 140. modaCustIndiv.DeleteCommand.Connection.Close() 141. 142. Catch excData As Exception 143. MessageBox.Show("Error...

Ngày tải lên: 21/01/2014, 12:20

... 429 Using NSData to Create Custom Archives 436 Using the Archiver to Copy Objects 439 Exercises 441 20 Introduction to Cocoa and Cocoa Touch 443 Framework Layers 443 Cocoa Touch 444 21 Writing ... language source file .cc, .cpp C+ + language source file .h Header file .m Objective -C source file .mm Objective -C+ + source file .pl Perl source file .o Object (compiled) file Objective -C source files ... about its initial characteristics acquired from the factory, but also its current characteristics.Those charac- teristics can change dynamically.As you drive your car, the gas tank becomes depleted,...

Ngày tải lên: 18/02/2014, 12:20

... quality control system, namely a Man 8 GlcNAc 2 -binding lectin (EDEM) [29,30], and SCF Fbs2 ubiquitin ligase com- plex, which specifically targets N-linked high-mannose- type oligosaccharide chains ... each plasmid using Lipofectamine Plus according to the manufacturer’s proto- col as described previously [13,14] and the transfected cells were incubated for 24 h in 5% CO 2 ⁄ 95% air (v ⁄ v) incuba- tor ... the manufacturer’s protocol. Transcrip- tion ⁄ translation was carried out with [ 35 S]methionine ⁄ cys- teine at 30 C for 90 min in the absence or presence of canine pancreatic microsomal membrane...

Ngày tải lên: 19/02/2014, 17:20

... Protein precipitation was monitored by light scattering at 360 nm. Assays were performed in duplicate. The precipitation of 45 lm insulin from bovine pancreas in the presence of increasing concentrations ... on pro- teins that contain exposed clusters of hydrophobic ami- noacyl residues, resulting in an increase in fluorescence [39]. ANS binding fluorescence of wild-type and mutant Hsp25 reached a maximum ... decrease in polarity of the C- terminal extension may also facili- tate interaction between the extension and hydro- phobic chaperone binding sites, resulting in the binding sites being less accessible...

Ngày tải lên: 07/03/2014, 04:20

... medium contained CaCl 2 ; trace c, mitochondria incubated with 150 nM rBAX in the presence of calcium and CSA; trace d, mitochon- dria incubated with 150 n M rBAX without calcium; trace e, mitochondria ... We conclude that changes in cardiolipin content could not account for MbCD protection from mPTP opening, at least in control mitochondria, but may be important for rBAX insertion into the mitochondrial ... (Fig. 1C) . Cyclosporin A prevented cytochrome c release and mPTP opening induced by rBAX The immunosuppressant cyclosporin A (CSA) effec- tively inhibits mPTP opening under almost all condi- tions,...

Ngày tải lên: 07/03/2014, 05:20

Ngày tải lên: 07/03/2014, 17:20

Ngày tải lên: 15/03/2014, 09:20

Ngày tải lên: 16/03/2014, 06:20

Ngày tải lên: 16/03/2014, 06:20