public Show_details(string para_name)
{
InitializeComponent();
string db_dir = System.Windows.Forms.Application.StartupPath + "\\db.accdb";
IO_tool io = new IO_tool();
string SQL_stat = "select details from Status_Now where para_name = '" + para_name + "'";
DataTable dt = io.DbToDatatable(SQL_stat, db_dir);
DataSet ds = new DataSet();
ds.Tables.Add(dt);
string list_box_text = ds.Tables[0].Rows[0].ItemArray[0].ToString();
textBox1.Text = list_box_text;
}