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If it is included in the SELECT statement, the Td Command Builder will use the primary key column(s) to uniquely identify the target-row for an UPDATE or a DELETE statement. Refresh Schema if the Select Command property of the associated Td Data Adapter (Td Command Builder. Refresh Schema method updates the column information used to generate UPDATE, DELETE and INSERT statements in addition to updating the Td Connection and Td Transaction used for the Update.Otherwise, all columns returned by the SELECT statement are added to the WHERE clause Td Command Builder will register as a listener for Row Updating events generated by the associated Td Data Adapter (Td Command Builder. Td Command Builder will generate a new DML statement and set the Td Row Updating Event Args. DML statements are generated based on the columns that are changed (UPDATE) in an updated row or columns that are inserted (INSERT) into a brand new row (Td Row Updating Event Args. Therefore, UPDATE and INSERT statements are generated for each Row Updating event while the DELETE statement is static until the next call to Td Command Builder. Ole Db; // Data Table name constants private const String CATEGORIES_TABLE = "Categories"; // Field name constants private const String CATEGORYID_FIELD = "Category ID"; private const String CATEGORYNAME_FIELD = "Category Name"; private const String DESCRIPTION_FIELD = "Description"; // Stored procedure name constants public const String GETCATEGORIES_SP = "Get Categories"; public const String INSERTCATEGORIES_SP = "Insert Categories"; // Stored procedure parameter name constants for Categories dt public const String CATEGORYID_PARM = "@Category ID"; public const String CATEGORYNAME_PARM = "@Category Name"; public const String DESCRIPTION_PARM = "@Description"; private Data Table dt; private Ole Db Data Adapter da; // . Event Args e) private void add Button_Click(object sender, System. private void Ms Access Autonumber Value Form_Load(object sender, System.Please help me with writing a Row Updating function in C#, I don't know how to grab the current field's value and also get the old value for one of keys (which is Project Name for editing) of the selected row. the idea wa to don't allow binding the grid view after a post back. hello my problem was that my gridview editable controls heep their old values. this is due to the grid view binding in the page_load method after every post back. This is possible with new property Data Source ID which allows performing paging, sorting and all database operations directly with the Data Source.For example, Grid View can directly update, delete and perform paging, sorting with a sqldatasource with out any custom code.

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Td Command Builder uses the Select Command property of the associated Td Data Adapter to retrieve column information.You can also customize the look and feel of each page by setting various properties like Pager Style property and using Pager Template to change look and style of buttons and pages.You can see properties of Grid View1 in below listing Another striking difference between Data Grid and Grid View is in the event model.The above XAML code defines a Data Grid with various columns bound to the ‘Employee’ class properties.Notice that the Data Grid also defines the ‘Data Grid Check Box Column’.The Td Command Builder generates DML statements (UPDATE, INSERT and DELETE) which are used by Td Data Adapter.