how to update the grid view values to database in asp.net using C# ?

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hi developers,

i am using grid view to display the student name and besides that i put a check box.
when page loads all data will be filled in the grid view.

if we checked the check boxs in the gridview,and click on the Promote button which is out side the grid view,

the checkd box students must be promoted to next class.

like if i check any check box, who studies the 8th class,in the data base his class should be updated as 9th class.

how do i get?

Thank u.

Regards,
Thiru

Posted 2-Apr-10 19:28pm

Thiru_G

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**PSK_** · Answer 1 · 2010-04-02T22:18:00

On the click of promote button, iterate the gridview and find the checkbox control in the row as following.

foreach (GridViewRow row in GridViewStudent.Rows) 
                { 
                   CheckBox Chk = (CheckBox)row.FindControl("checkbox1"); 
                   if (Chk.Checked) 
                   {
                   // Find the id of the student similarly how we found the checkbox, your id can be in a hidden field or on label. Find that control by its id and get the value..
                   //Make an update call to the database
                    } 
                }

Abhinav S · Answer 2 · 2010-04-02T23:15:00

Solution 2

If you are looking for information on how to update data, see here[^].

Posted 2-Apr-10 23:15pm

Abhinav S