اگه مشكل مربوط به قطع سيستم مي شه دوستمون " آقاي قاضي پور درست گفته" در ضمن اينم كد update
{
obj_command.CommandText = "UPDATE Issar2 " +
"SET Issar_Id=@Issar_Id,Name=@Name,F_Name=@F_Name,Issar _Type=@Issar_Type,Issar_Percent=@Issar_Percent,Bac kground=@Background,Address=@Address,Tel_No=@Tel_N o " +
"WHERE Issar_Id=@Issar_Id";
obj_command.CommandType = CommandType.Text;
obj_command.Parameters.AddWithValue("@Issar_Id", strIssar_Id);
obj_command.Parameters.AddWithValue("@Name", strName);
obj_command.Parameters.AddWithValue("@F_Name", strF_Name);
obj_command.Parameters.AddWithValue("@Issar_Type", strIssar_Type);
obj_command.Parameters.AddWithValue("@Issar_Percent", strIssar_Percent);
obj_command.Parameters.AddWithValue("@Background", strBackground);
obj_command.Parameters.AddWithValue("@Address", strAddress);
obj_command.Parameters.AddWithValue("@Tel_No", strTel_No);
obj_connect.Open();
obj_command.ExecuteNonQuery();