How me for Incorrect syntax near 'stock' - asp.net

Question

public string update()
{
try
{
myConnection.ConnectionString = GlobalVariabel.connString;
myConnection.Open();
string query = "update phoneproduct set ";
query += "model = #model,";
query += "price = #price ";
query += "stock = #stock ";
query += "employeeid = #employeeid";
query += "where pin = #pin";
SqlCommand com = new SqlCommand(query, myConnection);
com.Parameters.AddWithValue("#pin", pin);
com.Parameters.AddWithValue("#model", model);
com.Parameters.AddWithValue("#price", price);
com.Parameters.AddWithValue("#stock", stock);
com.Parameters.AddWithValue("#employeeid", employeeid);
int i = com.ExecuteNonQuery();
if (i > 0)
{
flag = "OK";
}
else
{
flag = "FAIL";
}
}
catch (Exception ex)
{
flag = ex.Message;
}
finally
{
if (myConnection.State == ConnectionState.Open)
{
myConnection.Close();
myConnection = null;
}
}
return flag;
}

Answer 1

string query = "update phoneproduct set ";
query += "model = #model,";
query += "price = #price ";
query += "stock = #stock ";
query += "employeeid = #employeeid";
query += "where pin = #pin";
the above will build the query
UPDATE phoneproduct
SET model = #model,
price = #price
stock = #stock
employeeid = #employeeid
WHERE pin = #pin
The issue is that you are missing a comma after #price and #stock