OleDbConnection conn = new OleDbConnection(connectionString);
conn.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = conn;
command.CommandText = "INSERT INTO myTbl ([username],[password],[firstname],[lastname],[mi],[age],[place],[contact])VALUES (?,?,?,?,?,?,?,?)";
command.Parameters.Add("@user", OleDbType.VarChar).Value = txtUsername.Text;
command.Parameters.Add("@psw", OleDbType.VarChar).Value = txtPassword.Text;
command.Parameters.Add("@nm", OleDbType.VarChar).Value = txtName.Text;
command.Parameters.Add("@Lname", OleDbType.VarChar).Value = txtLastName.Text;
command.Parameters.Add("@mIni", OleDbType.VarChar).Value = txtMI.Text;
command.Parameters.Add("@ag", OleDbType.Integer).Value = Convert.ToInt32(txtAge.Text);
command.Parameters.Add("@plc", OleDbType.VarChar).Value = txtPlace.Text;
command.Parameters.Add("@cntct", OleDbType.Integer).Value = Convert.ToInt32(txtContact.Text); ;
command.ExecuteNonQuery();
lblInfo.Visible = true;
lblInfo.Text = "Success";
conn.Close();
这使我错了<代码>。 投射体不是正确的格式。 请帮助我。