probleme with dataGridView1_SelectionChanged event

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Hi guys ,

This is my first question, excuse me if i have grammatical error
I have a problem with this event , sometimes this event doesn't occur , example i write this line code for a button:

C#

dataGridView1.Rows[min_index].Selected = true;
dataGridView1.FirstDisplayedScrollingRowIndex = min_index;

min_index row be selected but selectionchanged event doesn't work and sometimes that search result has one result this event doesn't occur again

thanks

Posted 20-Oct-12 8:41am

ahmad_ferdinand

Updated 20-Oct-12 11:11am

Sandeep Mewara

v2

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Scott Clayton 20-Oct-12 17:51pm

Could you show us the code in the SelectionChanged event? Perhaps it is being raised but not doing anything noticeable due to some conditional statement. I'm also assuming that "sometimes" means that it does get raised once in a while, just not every time. Is that right?

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ahmad_ferdinand · Answer 1 · 2012-10-20T19:39:00

yes , thank you for answer
this event work properly when with mouse chenge selection but when we want jump to special row it doesn't work , sometimes in search result it happens andsometimes itsn't happen

this is my code in selectionchange event

C#

try
            {
                stu_id = Convert.ToInt64(dataGridView1.CurrentRow.Cells[13].Value);
                schoolin_id = Convert.ToInt64(dataGridView1.CurrentRow.Cells[14].Value);
                Class = Convert.ToInt32(dataGridView1.CurrentRow.Cells[15].Value);
                IList<students> s = new List<students>();
                s = D_Students.Search_stu_id(stu_id);
                txt_name.Text = s[0].NAME;
                txt_family.Text = s[0].FAMILY;
                txt_f_name.Text = s[0].FATHER_NAME;
                IList<schooling_sign> sd = new List<schooling_sign>();
                sd = D_Schooling_Sign.Select_Year(schoolin_id);
                txt_schooling.Text = sd[0].YEAR;
                txt_class.Text = class_schooling.number_to_schooling(Class);
                button2.Enabled = true;
            }
            catch (Exception) { }


</schooling_sign></schooling_sign></students></students>

3 first line indicate to previose selected row not current selected row
thanks