[求助]说我SQL语句缺少 ; 结尾
public static string constring = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Data.mdb";
con = new OleDbConnection(constring);
con.Open();
com = new OleDbCommand("insert into Users(user_Question,user_Answer) values(?,?) where user_name="+txtName.Text.Trim(),con);
com.Parameters.Add(new OleDbParameter("question",OleDbType.VarChar,50));
com.Parameters.Add(new OleDbParameter("answer",OleDbType.VarChar,50));
com.Parameters["question"].Value = cbQuestion.SelectedItem.ToString();
com.Parameters["answer"].Value = txtAnswer.Text.Trim();
com.ExecuteNonQuery();
con.Close();
