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An Overview of Inserting, Updating, and Deleting examined using the Object Data Source to facilitate inserting, updating, and deleting with the Grid View, Details View, and Form View controls.

As you may have guessed, when creating an editable Grid View whose data comes from an Object Data Source, the underlying data access layer class must provide an appropriate Update method.In this Grid, there are two dropdownlists, 3 calenders and some textboxes. If i click on update then all the textbox values updated in the database, but all other fields(dropdown and calender) values in database is automatically NULL. Below is the main page Grid View code: " Select Command="SELECT * FROM [View_Intakesheet]" Update Command="UPDATE intakesheet SET case_number = @case_number, [email protected]_name, [email protected]_type, Case_Status = @case_status, assigned_date = @assigned_date, assigned_to = @assigned_to, date_withdrawn= @date_withdrawn, date_delivered= @date_delivered, qc_by = @qc_by, [email protected]_date, additional_notes = @additional_notes WHERE (case_number = @case_number)"Sql Command cmd = new Sql Command("UPDATE intakesheet SET case_number = @case_number, case_name = @case_name, Case_Type = Case_Type, Case_Status = Case_Status, assigned_date = assigned_date, assigned_to = assigned_to, date_withdrawn= date_withdrawn, date_delivered= date_delivered, qc_by = qc_by, qc_date=qc_date, additional_notes = additional_notes WHERE (case_number = case_number)", immigration); similary give the correct id for case type in above line you are passing the ids of dropdown, you should send either its selected value of its selected index changes Sql Command cmd = new Sql Command("UPDATE intakesheet SET case_number = @case_number, case_name = @case_name, Case_Type = Case_Type, Case_Status = Case_Status, assigned_date = assigned_date, assigned_to = assigned_to, date_withdrawn= date_withdrawn, date_delivered= date_delivered, qc_by = qc_by, qc_date=qc_date, additional_notes = additional_notes WHERE (case_number = case_number)", immigration); I also had a problem with a Grid View that was not updating. Newvalues Dictionary in the Grid View's Row Updating event showed that the old values for the record were being sent to the database UPDATE query. Data Key Names was not my problem; I had it set correctly. In addition to deleting a Grid View's underlying data, another common need is to allow end users to edit the data displayed in a Grid View. NET 1.x's Data Grid control, editing the data is certainly possible, but requires creating three event handlers and writing a dozen or so lines of code. NET 2.0, it is possible to create an editable Grid View without writing a single line of code!All of the necessary functionality is encapsulated within the Grid View.Hi steve, In this scenario the edit operation depends on the bound object that in your case is Data Table/Data Set.Data Row/Data Row View objects implement IEditable Object and when some data in Rad Grid View is changed, the internal Currency Manager calls End Edit of current item after the current position is changed to another row.I had inadvertently set Enable View State for this textbox to "False".Because of this, the Grid View was rebinding itself before the UPDATE occurred.

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