Why I Must Bind Gridview On Delete,Update,Cancel Events

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C#

protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
        {
            GridView1.EditIndex = e.NewEditIndex;
        }

hi , i need an explanation for above code
I know that e.neweditindex enables me to make the selected row editable .
but my inquiry is that above code not working correctly until i write the below method

C#

GetDataFromCache();

which assign datasource to Grid and also bind it ,............... why i need to bind it again as it was already binded before.

Posted 24-Nov-14 23:01pm

Hercal

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2 solutions

Solution 1

This code helps you to get the respective row on which you clicked in the gridview & enables you to edit & update your content of that particular row in the gridview.

Posted 25-Nov-14 1:39am

deepankarbhatnagar

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Hercal 25-Nov-14 9:19am

thanks man , but my question was [why i should call the function every time] , any way thanks :)

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Abid Shk · Accepted Answer · 2014-11-25T01:54:00

whenever your page post back data is lost because http is Stateless protocol. To maintain data in grid either you call ur function every time or u can maintain data in Viewstate. if u r fetching data from backend in function and call that function everytimr it increase load on your server instead of that you should use viewstate

GridView1.EditIndex = e.NewEditIndex;
Datatable dt=ViewState["data"] as Datatable;
Gridview1.DataSource=dt;
GridView1.DataBind();