Fill HUD From Search Form

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C#

WinForms

i have Tow Forms.
I have a Parent Form that holds a "HUD" with textbox and gridview etc.
i bind like this

private void Form1_Load(object sender, EventArgs e)
        {
           cbLanguage.SelectedIndex = 0;
           cbHadithBook.DataSource = objSearch.SelectHadithBookName();
           if (cbLanguage.SelectedIndex == 0)
           {
               cbHadithBook.RightToLeft = RightToLeft.Yes;
               cbHadithBook.DisplayMember = "Book_Urdu_Name";
               
           }
           else if(cbLanguage.SelectedIndex == 1)
           {
               cbHadithBook.RightToLeft = RightToLeft.No;
               cbHadithBook.DisplayMember = "Book_English_Name";
           }
           cbHadithBook.ValueMember = "Book_Id";
            //Hadiths book name end

            //Baab selection using hadith book # 
           objSearch.HadithBookNo = Convert.ToInt32(cbHadithBook.SelectedValue.ToString());
           cbBaab.DataSource = objSearch.SelectHadithBaabEnglish();
           if (cbLanguage.SelectedIndex == 0)
           {
               cbHadithBook.RightToLeft = RightToLeft.Yes;
               cbBaab.DisplayMember = "Baab_Urdu_Name";            
           }
           else if (cbLanguage.SelectedIndex == 1)
           {
               cbHadithBook.RightToLeft = RightToLeft.No;
               cbBaab.DisplayMember = "Baab_English_Name";
               
               
           }
          cbBaab.ValueMember = "Baab_Id";
         
            //hadith text selection using Baab#
           int baabValue;
           if (int.TryParse(cbBaab.SelectedValue.ToString(), out baabValue))
           objSearch.Baab_Id = Convert.ToInt32(cbBaab.SelectedValue.ToString());
           DataTable dt = new DataTable();
           dt = objSearch.SelectHadithTextUrdu();
           bsHadithUrdu.DataSource = dt;
           DataTable dt2 = new DataTable();
           dt2 = objSearch.SelectHadithTextEnglish();
           bsHadithEnglish.DataSource = dt2;
           bsHadithUrdu.DataSource = dt;
           if (cbLanguage.SelectedIndex == 0)
           {
               dgvhadiths.DataSource = bsHadithUrdu;
               tbChapterName.RightToLeft = RightToLeft.Yes;
               tbChapterName.DataBindings.Clear();
               tbChapterName.DataBindings.Add("Text", bsHadithUrdu, "Chapter_Urdu_Name");
           }
           else if (cbLanguage.SelectedIndex == 1)
           {
               dgvhadiths.DataSource = bsHadithEnglish;
              tbChapterName.DataBindings.Clear();
              tbChapterName.RightToLeft = RightToLeft.No;
               tbChapterName.DataBindings.Add("Text", bsHadithEnglish, "Chapter_English_Name");
           }
          
           tbTotalHadiths.Text = Convert.ToString( dgvhadiths.RowCount-1);

           tbHadithArabic.DataBindings.Clear();
           tbHadithUrdu.DataBindings.Clear();
           tbHadithEnglish.DataBindings.Clear();
                  
           tbHadithArabic.DataBindings.Add("Text", bsHadithUrdu, "Hadith_Text");
           tbHadithUrdu.DataBindings.Add("Text", bsHadithUrdu, "Hadith_Urdu");
           tbHadithEnglish.DataBindings.Add("Text", bsHadithEnglish, "Hadith_English");
        
          GridviewHeight();
           //dgvhadiths.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells;
            //dgvhadiths.DefaultCellStyle.WrapMode = DataGridViewTriState.True;

          
        }

One of the child forms is a Search Form.
now i want to fill HUD as User searched the data into Searched FOrm(child Form). HOw can i do this??