i wrote a page which are several fields and there is gridview which keeps the data inserted bottom of the page and i added a updatepanel... when i click the insert double data inserting to grid how to prevent it...
Disable the button that users have to click to insert data to the grid.
Clear all the input fields.
Related
I have a page for searching when I write my name for example in textbox it will search and display the results in a GridView. I'm using an EntityDataSource with a QueryExtender so I didn't write any code in C#.
The problem is: in the GridView I have a hyperlink when I click it, it will go to another page, ok fine then when I return to the previous page the GridView does not show the results of the search when I was left because of the postback (update panel) it show the whole data from EntityDataSource.
I think I have to use session but I don't know how I can do it, I mean how I can save the GridView in session and how I can retrieve it in page_load.
I have an editable gridview. The rows are editable. I can save each row by clicking corresponding save button for each row.
But the problem is I can not have save button/Link for each row. there will be a single "save" button below the grid. After changing values on the grid , by clicking on save all the changed rows will be updated in DB.
Have a look at this tutorial: GridView Bulk Editing
I'm trying to create an ASP.NET/C# page that allows the user to edit a table of data, add rows to it, and save the data back to the database. For the table of data, I'm using a DataGrid whose cells contain TextBoxes or CheckBoxes. I have a button for adding rows (which works) and a button for saving the data. However, I'm quite stuck on two things:
The TextBoxes and CheckBoxes should retain their values on postback. So if the user edits a TextBox and clicks the button to add more rows, the edits should be retained when the page reloads. However, the edits should not be saved to the database at this point.
When the user clicks the save button, or anytime before, the DataTable underlying the DataGrid needs to be updated with the values of the TextBoxes and CheckBoxes so that the DataTable can be sent to the database. I have a method that does this, but I can't figure out when to call it.
Any help getting this to work, or suggestions of alternative user interfaces that would behave similarly, would be appreciated.
Take a look at the ASP.NET GridView control. It's newer than the DataGrid and has editing features, editing events, etc built in.
Check out the following website:
http://highoncoding.com/Categories/7_GridView_Control.aspx
There are tons of articles on the above link about the GridView control.
I have a gridview (Edit and Delete enabled) that shows a table. A Text Box and A Button. When I type something in the textbox and click the button, the button runs the datasource.filterexpression and filters out the rows.
The question whenever I click on the edit button after the filter has been applied The grid auto resets back to the original table? How can I solve this?
After saving the edited record in the GridView RowUpdating event, re-apply the filter and call DataBind()
I have a custom gridview on rowdatabound i am adding new gridviewrows . but on postback the data in newly added row is not persists. Please help me to maintain the state of grid on postback as well...Actually i m showing group header rows and footer rows and showing some calculated values in group footer row...but on post back the values of new group rows is not persists but the grid row is ther without values.
You're adding the rows dynamically so you have to populate the grid every time the page is posted back, not just if(!this.IsPostBack).
If you're not persisting to a db every post-back and generating the grid looping through some result-set coming from your db - you might have to store info about the temporary rows in ViewState. People will be able to help on this if you expand your question.
If you're populating dynamically and the data is coming straight from some db (or even State) every post-back you might wanna disable the grid viewstate (as in that case you're sending back and forth useless stuff).