get row from datatable by column value

... GET* METHODS SQL SERVER TYPE COMPATIBLE STANDARD C# TYPE GET* METHOD sql_varient object GetValue() text string GetString() timestamp byte[] GetBytes() tinyint byte GetByte() varbinary byte[] ... Using the Get* Methods to Read Column Values Before I show you the other Get* methods that read column values, you need to know the standard C# types and the values they support. ... GetByte() varbinary byte[] GetBytes() varchar string GetString() uniqueidentifier Guid GetGuid() Note You can see the SQL Server types and the values supported by those types in Table 2.3...

Ngày tải lên: 24/12/2013, 01:17

... Engines? ã Get an account at Gmail unless you already have one. ã Step by Step getting a Free Listing on Google. ã Get a Yahoo Account unless you already have one. ã Step by Step getting a Free ... Yahoođ. ã Get a MSN Live account unless you already have one. ã Step by Step getting a Free Listing on Bing. ã Other Helpful Resources ã Rebrand this ebook with your links. Brought to You By Richard ... RichardMathiason.com How To Get Free Local Listings on the 3 Major Search Engines Step by Step Instructions 2 Copyrightâ 2010 RichardMathiason.com RichardMathiason.com Why Get Your Free Listings? 1....

Ngày tải lên: 05/01/2014, 15:32

... Add the row to the Category table. DataRow row = dt.NewRow( ); row[ CATEGORYNAME_FIELD] = categoryNameTextBox.Text; row[ DESCRIPTION_FIELD] = descriptionTextBox.Text; dt.Rows.Add (row) ; ... da.InsertCommand.UpdatedRowSource = [ Team LiB ] Recipe 4.2 Getting an Identity Column Value from SQL Server Problem When you add a row into a SQL Server table that has an identity column, the value assigned ... column, the value assigned to the column in the DataTable is replaced by a value generated by the database. You need to retrieve the new value to keep the DataTable synchronized with the database....

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 23/09/2012, 14:47

... they've caused some kind of stress by their ambiguous way of communicating.  Forgetfulness: The passive aggressive avoids responsibility by forgetting. How convenient is that? There is ... It‘s a survival thing – when you get hurt when you are fighting or trying to get away your brain releases endorphins so you won‘t feel the pain and be able to get away. It also relaxes you. ... will master it in minutes. It does take a bit of practice to get it right, but once you do its just like riding a bike – you never forget. There are three factors that play an influence on your...

Ngày tải lên: 08/11/2013, 02:15

... MyDataSet.CustomersDataTable myDataTable = myDataSet.Customers; foreach (MyDataSet.CustomersRow myDataRow in myDataTable.Rows) { listView1.Items.Add(myDataRow.CustomerID); listView1.Items.Add(myDataRow.CompanyName); ... modify the rows stored in a MyDataSet object. These methods include NewCustomersRow(), A ddCustomersRow(), FindByCustomerID(), and RemoveCustomersRow(). You can also check if a column value contains ... allows you read a column value using a property with the same name as the column. For example, to read the CustomerID of a column, you can use myDataRow.CustomerID rather than myDataRow["CustomerID"]....

Ngày tải lên: 21/01/2014, 07:20

... new DataRow to productsDataTable, the ProductID DataColumn of your new DataRow will initially have the value -1. When you call the Update() method of your SqlDataAdapter to push the new row to ... Adds a DataRow to productsDataTable. 3. Modifies the new DataRow. 4. Deletes the new DataRow. When you run this program you'll notice the change in the ProductID DataColumn value for ... UsingIdentityColumn.cs program located in the ch11 directory. This program performs the following high-level actions: 1. Retrieves rows from the Products table into a DataTable named productsDataTable....

Ngày tải lên: 21/01/2014, 07:20

... Returning Strongly Typed Column Values Up to this point, you've retrieved column values from a DataReader only as generic objects of the System.Object ... explicitly show that a DataReader returns a column value as an object of the System.Object class by default. When an object of the System.Object class is displayed by the Console.WriteLine() method, ... That's fine for just displaying the column values, but what if you want to perform some kind of calculation with a value? To do that, you must first cast the value to a specific type. The following...

Ngày tải lên: 21/01/2014, 07:20

... value& lt;/MyColumn> </MyRow> Element The value is written as an XML element. For example: <MyRow MyColumn="my column value& quot; /> This is the default. Hidden The value ... SimpleContent The value is written as text in the XML element for its row. For example: <MyRow>my column value& lt;/MyRow> This value can only be used if the table has neither Element columns ... mapping type for each column in the table. foreach (DataTable table in ds.Tables) foreach(DataColumn column in table.Columns) { if(tableAttributeRadioButton.Checked) column. ColumnMapping =...

Ngày tải lên: 26/01/2014, 10:20

... (FeO.Fe 2 O 3 ) were formed and isolated from the solvent by magnetic decantation. Water washing and decantation process were repeated four times to remove excess solution. By a similar way, Fe 1−x Ni x O.Fe 2 O 3 ... process. Nanoparticles were collected by a magnet and arsenic concentration in the solution was determined by AAS. Results showed that 90% of arsenic was desorbed from nanoparticles. The nanoparticles ... Fe 1−y Co y .Fe 2 O 3 with x = 0.05, 0.1, 0.2, 0.5 and y = 0.2, 0.4 nanoparticles were made by replacing Fe 2+ by Ni 2+ and Co 2+ using NiCl 2 .6H 2 O and CoCl 2 .6H 2 O, respectively. All procedures...

Ngày tải lên: 13/02/2014, 03:20

Ngày tải lên: 13/02/2014, 12:20

... release from purified MTs is suppressed by reduced glutathione (GSH), but not by oxidized glutathione. Considering the millimolar concentrations of GSH present in mammalian cells, the metal release from ... region. By monitoring this charge transfer band, CD spectroscopy was first used by Ka ă gi and coworkers to follow the metal-binding stochiom- etry of MTs [42]. To study the metal release by NO ... The sample is applied to a gel filtration column, which separates free from protein-bound metal and subsequently both zinc and cadmium levels are determined by ICPMS. Stock solutions of 2 m M DEA/NO,...

Ngày tải lên: 07/03/2014, 15:20

... were mixed together, and stirred for 15 min. The solvent was removed, and the residue was extracted by dichloroethane to give a crude product. The pure brown product was obtained by recrystallization ... phorbol 12-myristate 13-acetate, and RPMI-1640 medium were from Sigma. 1,4-Hydroquinone was from Fluka. 4,5-Dihydroxy- 1,3-benzenedisulfonic acid disodium salt (Tiron) was from Shanghai Reagent Co. Ltd (Shanghai, ... for 5 min before measurement. As can be seen from Fig. 6, fluorescence intensity was markedly suppressed by addition of SOD. However, when SOD was replaced by heat-inactivated SOD (90 °C for 5 min) [18]...

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