how to fill data in sql server??

Question

 i add Test_Result column in table and i fill data from client side but i confuse

help me 

 

 

 

for (int r = 0; r < dataGridView1.RowCount; r++)

{

if (con.State == ConnectionState.Closed)

con.Open();

SqlCommand cmd1 = new SqlCommand ("Insert Into Admission(Test_Result) Values (" + Row[Test_Result].ToString() +")");

//cmd1.Parameters.AddWithValue("Test_Result", dataGridView1.Rows[e.RowIndex].Cells[3].Value);

com.ExecuteNonQuery();

con.Close();

FrmTest fc = new FrmTest();

MessageBox.Show("Inserted sucessfully");

this.Close();

}