Now you can ask questions directly to me on my new site ASPForums. Net Question Answer site, specially started to allow visitors of this site ask their doubts and queries. Just click the Ask Now button and ask your question now.Editing the Grid View control can be an incredibly easy feature to add for certain database tables, especially those who have no foreign key associated and can easily be edited through the use of a standard Text Box web control as shown in the figure below: 1.
You can see most of the articles and tutorials in many websites teach you the way to bind a Grid View control to the database with some Data Source controls such as SQLData Source, Object Data Source, Access Data Source and even XMLDatasource.The last parameter is a boolean value which tells the method whether to execute an Insert (false) or Update (true). In-order to perform Edit and Update in Grid View we need to use three events ( Grid View_Row Editing, Grid View_Row Canceling Edit , Grid View_Row Updating). For those who do not know on how to generate Events in Grid View you can follow these steps below: I have a project that I coppied the above code into. There can be several approaches taken for validating data. For our example we are going to use Customers table of Northwind database. Open its smart tag and choose "Configure Data Source" option to start Configure Data Source wizard.On the first step of the wizard click on "New Connection" button to open a dialog as shown in Figure 1.Click on the "Advanced" button and check the "Generate INSERT, UPDATE and DELETE statements" checkbox (Figure 3). Now that you have configured the SQL Data Source control let's bind it with a Grid View control. Open its smart tag and configure it as shown in Figure 4.Here, we set the Data Source of the Grid View to Sql Data Source1. We also enable paging, sorting and editing features of the Grid View.In this demo, I presumed that you already have a basic background on how to create a simple database table. Thanks that cmd do not work fine string id = Grid View1. In this example, this time I used my own database called Sample DB which has Customers Table and basically contains the following field columns: As you have noticed in STEP 2, we have added six Text Box and a Button in the web form in order for us to type the information there and Insert them to the database. I know how to update with HTML, But I want in C# How To Update protected void Price Ep_Row Updating(object sender, Grid View Update Event Args e) How to Update with The Help Of Csharp. Regards atul singh in gridview property go to Events there doublic click of Row Updating Event which will automaticall redirect into code behind... But when i used it again this code it returns the old value... In the gridview i set the column for example City column into a template and set the name to txt City. EDIT: I made a little mistake in the previous post: the event handler is Row Updating; Row Updated won't trigger for the life of me. in the above code in "Text Box txtcity = (textbox)row.findcontrol("txtcity");" i'm getting the default value which is not updated, but not updated value. Inside the Row Updating event u can code for updation ex: Protected Sub Grid View1_Row Updating(By Val sender As Object, By Val e As System. Thanks a bunch to you and the Regards Hema '''''''''''''''''''''''''''''''''''''''''''''''''' ''''''''''''''''''''''''''''''''''''''''' reply From Brianbk [email protected] The code it update Datagridview believe me was running try this one Dim constr As String = "Data Source=localhost; Integrated Security=True" Dim sqlstr As String = "select * from Customers" Dim dt As New Data Table() Private Sub btn Load_Click(By Val sender As System. Clear() 'fill the datatable with data in the Database Dim dpt As New Sql Data Adapter(sqlstr, constr) dpt. Dispose() 'display the Table in the datagrid datagridview1. i have a problem with this code which i used it before and it really works. Now the code of Grid View rowupdating events is: Text Box txt City = (Text Box)Grid View1.(Text Box)Grid View1. Text was the updated value but the old value returns. i compared also my source code into the other which is working but there is no difference from it. Related to this problem, but much worse: I have a Grid View, which isn't bound in the ways mentioned above; I need to use a custom data source, and create the data grid cells programmatically from it. But within the Row Update event handler, everything goes null. Sorry for the wrapping in the second snippet, I just don't think there's a way to make it more eye-friendly, even if I'd raze the leading spaces. protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) please help me. i went through for loop and if loop and did all things which were of total failure i came across this right now. The code which you provided roughly a fortnight has done wonders for me. Click 'Display the Table with data in the gridview 'clear the current content of the Table dt. Find Control("txt City"); and i assume that the txt City. Old Values and New Values both have length 0, and the Text Box approach described above gives a null reference after conversion. I've posted the ASP Code, and decided to skip the actual binding code, since it works great; checked it with the debugger.Now let’s create a method for executing the Update or Insert.