C#

delegate bool TryParseHandler(string text, out object result);

static void Main(string[] args)
{
    bool b = Check(byte.TryParse, "12");
    bool i = Check(int.TryParse, "345");    
}

static bool Check(TryParseHandler method, string text)
{
    object result;
    bool ok = method(text, out object result);
}

delegate bool TryParseHandler<T>(string text, out T result);

static void Main(string[] args)
{
    bool l = Check<long>(long.TryParse, "12345678912")
}

static bool Check<T>(TryParseHandler method, string text)
{
    T result;
    bool ok = method(text, out T result);
}

foreach (TabItem ti in MainWindow.mw.tcMain.Items)
           {
               if (Convert.ToInt16(ti.Tag) == r.id)
               {
                   MainWindow.mw.tcMain.SelectedItem = ti;
                   return;
               }
           }

ConnectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\memberInfo.mdf;Integrated Security=True;User Instance=True";
SqlConnection conn = new SqlConnection(ConnectionString);
String insertCommand = @"INSERT INTO members
            (m_id, fname, mname, lname, pres_add, p_add_con, h_add, h_add_con, office_add, off_add_con, proff_occ,
            spez, d_birth, p_birth, age, sex, c_status, d_marriage, citizenship, h_educ_att,
            h_educ_school, stud_school, stud_year, stud_course, spec_skills, bld_type, w_ser_att,
            mem_status, church_org_mem, comm_sugg)

            VALUES(
            @m_id, @fname, @mname, @lname, @pres_add, @p_add_con, @h_add, @h_add_con, @office_add, @off_add_con, @proff_occ,
            @spez, @d_birth, @p_birth, @age, @sex, @c_status, @d_marriage, @citizenship, @h_educ_att,
            @h_educ_school, @stud_school, @stud_year, @stud_course, @spec_skills, @bld_type, @w_ser_att,
            @mem_status, @church_org_mem, @comm_sugg
            )";
conn.Open();
SqlCommand cmd = new SqlCommand(insertCommand, conn);


        cmd.Parameters.AddWithValue("@m_id", txtMem_id.Text);
        cmd.Parameters.AddWithValue("@fname", txtFname.Text);
        cmd.Parameters.AddWithValue("@mname", txtMiddlename.Text);
        cmd.Parameters.AddWithValue("@lname", txtLastname.Text);
        cmd.Parameters.AddWithValue("@pres_add", txtPresAdd.Text);
        cmd.Parameters.AddWithValue("@p_add_con", txtPressAddCon.Text);
        cmd.Parameters.AddWithValue("@h_add", txtHomeAdd.Text);
        cmd.Parameters.AddWithValue("@h_add_con", txtHomeAddCon.Text);
        cmd.Parameters.AddWithValue("@office_add", txtOffAdd.Text);
        cmd.Parameters.AddWithValue("@off_add_con", txtOffAddCon.Text);
        cmd.Parameters.AddWithValue("@proff_occ", txtOffOcc.Text);
        cmd.Parameters.AddWithValue("@spez", txtSpez.Text);
        cmd.Parameters.AddWithValue("@d_birth", dtpBirthdate.Text);
        cmd.Parameters.AddWithValue("@p_birth", txtBirthPlace.Text);
        cmd.Parameters.AddWithValue("@age", txtAge.Text);
        cmd.Parameters.AddWithValue("@sex", cmb_sex.SelectedIndex);
        cmd.Parameters.AddWithValue("@c_status", cmb_CivilStatus.SelectedIndex);
        cmd.Parameters.AddWithValue("@d_marriage", txtDateMarr.Text);
        cmd.Parameters.AddWithValue("@citizenship", txtCitizenship.Text);
        cmd.Parameters.AddWithValue("@h_educ_att", txtHighEducAtt.Text);
        cmd.Parameters.AddWithValue("@h_educ_school", txtHighEducAttSchool.Text);
        cmd.Parameters.AddWithValue("@stud_school", txtStudSchool.Text);
        cmd.Parameters.AddWithValue("@stud_year", txtStudYear.Text);
        cmd.Parameters.AddWithValue("@stud_course", txtStudCourse.Text);
        cmd.Parameters.AddWithValue("@spec_skills", txtSpecSkill.Text);
        cmd.Parameters.AddWithValue("@bld_type", txtBldtype.Text);
        cmd.Parameters.AddWithValue("@w_ser_att", cmb_worSerAtt.SelectedIndex);
        cmd.Parameters.AddWithValue("@mem_status", cmb_MemStatus.SelectedIndex);
        cmd.Parameters.AddWithValue("@church_org_mem", cmb_memChurchOrg.SelectedIndex);
        cmd.Parameters.AddWithValue("@comm_sugg", txtCommSugg.Text);


        cmd.ExecuteNonQuery();
        conn.Close();
        MessageBox.Show("Data Saved");
        //rows number of record got inserted

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