hellow i m in a prob. i hav a datagrid which has 3 columns.All the cell in first column will be in combobox when the form loads. but when the user selects a data from the combo then the Datagridcombo must be changed into datagridtextbox and selected data will be shown in the datagrid text box. as well as the next row will show the datagridcombo in first column. i need solution with code snippet. thanks in advance and sorry for poor english. Thanks Tanim

use class "serialport".

SerialPort serialport1 = new SerialPort();

use this class and using this obj u can read port no.... ok. TANIM TAFIN:thumbsup:

Thanks!!!:thumbsup:

hey!! im in a prob.i am trying to add some column and items in a list view. but cant add a column even.Here is a code snippet. i am novice in C#. plz help. Thanks in advance. TANIM Bangladesh

private void Form1_Load(object sender, EventArgs e)
{

        ColumnHeader columnHeader1 = new ColumnHeader();
        //columnHeader1.Text = "TANIM";
        listView1.Columns.Add(columnHeader1);
        //listView1.Columns.Add("TANIM", -2, HorizontalAlignment.Left);
        
       
    }

Thanks Amaan. the code was really helpful. i am greatful to U. Thanks!!!:thumbsup: Tanim Tafin mahbub.rabbani.84@gmail.com tanim_csesust.2003@yahoo.com

hellow I am TAFIN from Bangladesh. I am new in C#. i need to read data from an excel file(.xsl). plz help. code segment will be very appreciable. Thanks in advance.

Hey.. i am doin a project where i will use a mouse effect like following: i have a form. i want to so an effect that when user try to move it will move and tyhe opacity will become 30%.when the user leave the form the opacity of the form will become 100%.Just Like - when an exception occures in Visual Studio and a message form comes in front what can be move by mouse and reduces the opacity. can anyone give the solution. Should i use "Event Move()"? code segment will help me a lot. Thanks . Mahbub-E-Rabbani [TAFIN] Bangladesh

ok thanks:thumbsup:

i took a form and then a picturebox. i wanted to piant on the picture box that will stay if the form is minimized of sent to back of other forms. the **Event OnPaint()**is used for the base Form Form1 but not for picturebox...and does the Event paint() of picturebox does that waht i want!!! thanks. mahbub-E-Rabbani [TAFIN] Bangladesh

thanks:thumbsup: OnPaint() can only paint the base form, i can not paint on a panel or a picturbox....what to do??? thanks. Mahbub-E-Rabbani [TAFIN] Bangladesh

As much i know that there is a method "protected void OnPaint(eventArgs e)" is a function that can be used for your problem. try it!! and let me know. thanks Mahbub-E-Rabbani [TAFIN] :rolleyes:

I was trying to built a "Paint" program that can paint that user wants to paint. but the thing is when my form is minimized or another form is selected over my form the painted portion is removed. In java , i know that if i use "repaint()" function the it as ok, but what to do with C#. sorry for my english. plz help me urgent. Thanks Mahbub-E-Rababni [Tafin]

u can try "www.showmedo.com"- avideo tutorial site. thanks Mahbub-E-Rabbani [Tanim]

It is not "python.com" rather it is "www.python.org". ok? thanks and i think to learn python its easy to watch video tutorials at "www.showmedo.com". TANIM TAFIN