hi all
i want have a one form to always return columns[0] of selected row .
intermediate method is ReturnAllCode...s
i writed a public method ReturnAllCodes that I want always return Columns[0] Of selected Rows form form that i want ...

public int ReturnAllCodes(string WinTitle, string Query, string[] Fields, string RequestCode)
        {
            all_codes _all_code = new all_codes();
            _all_code.Text = WinTitle;
            _all_code.dgv_all.DataSource = SelectAllQuery(Query);

            for (int i = 0; i < Fields.Length; i++)
            {
                _all_code.dgv_all.Columns[i].HeaderText = Fields[i];
            }

            _all_code.ShowDialog();

            if (_all_code.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {

            }

            return 0;
        }

Notics : all_codes Is A From That Contain Only One Datagrid

I send my parameter to this method without problem ...

But For Get The Return Value I Have A problem that Is Cant Write Code For return Value ...

i means : how Do Return The Columns[0] of Selected Row in all_codes To Method ReturnAllCodest ???

this is a SelectAllQuery Method that No Problem (i Show it Only For Better Question)

public  DataTable SelectAllQuery(String _query)
        {
            SqlConnection Mycon = new SqlConnection(strconnection);
            SqlCommand myCommand = new SqlCommand();
            myCommand.Connection = Mycon;
            SqlDataAdapter myAdapter = new SqlDataAdapter();
            DataTable dataTable = new DataTable();
            dataTable = null;
            DataSet ds = new DataSet();
            try
            {
                myCommand.CommandText = _query;

                if (Mycon.State != ConnectionState.Open)
                {
                    Mycon.Open();
                }

                myCommand.ExecuteNonQuery();
                myAdapter.SelectCommand = myCommand;
                myAdapter.Fill(ds);
                dataTable = ds.Tables[0];

                if (Mycon.State != ConnectionState.Closed)
                {
                    Mycon.Close();
                }
            }
            catch (SqlException e)
            {
                return null;
            }
            finally
            {

            }
            return dataTable;
        }

Help Me Please
TNKs

Edited 3 Years Ago by Dani: Formatting fixed

for returning the value from any form you can use a Property
See the below for Ex.

Class A
{
	private string mystr;
	
	public A()
	{
	}
	Public string MYstr
	{
	get	{ return mystr; }
	set { mystr=values;}
	}
	
	public Void Display()
	{
		mystr="WelCome" + mystr;
	}
}
static void Main(string[] args)
{
	A _a = new A();
	_a.mystr=" TESt";
	_a.Display();
	Console.WriteLine(_a.MYstr.ToString());
	Console.ReadLine();
}
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