[This is my screen shot](http://i.stack.imgur.com/cnrZm.png)

Bellow Is My Code For Update Button Click Event!

```
    {
        try
    {

        con = new SqlConnection(cs.ConDB);
        con.Open();
        string cb = "Update tblFees set Salutation= '" + cmbSalutation.Text + "' , Name= '" + tbName.Text + "',Sex = '" + cmbSex.Text + "', Date ='" + Date.Text + "',Fees_Amount='" + cmbFeesAmount.Text + "',Fees_Status='" + radioButton1.Checked + "'";
        cmd = new SqlCommand(cb);
        cmd.Connection = con;
        cmd.ExecuteReader();
        con.Close();
        MessageBox.Show("Successfully updated", "Record", MessageBoxButtons.OK, MessageBoxIcon.Information);

        btnUpdate.Enabled = false;
        btnSave.Enabled = true;
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
    }
    try
    {
        con = new SqlConnection(cs.ConDB);
        con.Open();
        cmd = new SqlCommand("SELECT * From tblFees", con);
        SqlDataAdapter myDA = new SqlDataAdapter(cmd);
        DataSet myDataSet = new DataSet();
        myDA.Fill(myDataSet, "tblFees");
        dataGridView1.DataSource = myDataSet.Tables["tblFees"].DefaultView;
        con.Close();

    }catch (Exception ex)
        {
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK,                          MessageBoxIcon.Error);}`

```

Please Solve my problem i am new in the programming world
any help would be greatly appreciated