Comments by Mohammad Hasanpoor (Top 37 by date)

i,m so sorry if i have problem in writing and speaking.
thanks for your Guidance.

but i did not find for asp.net.
i just found for c++,c# and vb.net.

yes. asp is for web and c# for windows. but i know c# but not very professional.
i try convert my program to asp.net but i had problem.
this is my c# program and i want convert this program to asp.net. please help.
https://www.dropbox.com/s/nr0t6ywg3gqtw44/HuffmanTest.zip?dl=0
thanks

sorry , but i said i have c# code.
i need asp.net code. please help.
(i don,t learn asp.net)
(this is my c# code) https://www.dropbox.com/s/nr0t6ywg3gqtw44/HuffmanTest.zip?dl=0
thanks

thanks

im so sorry.
but you did not understand my question.
i must create folder in "c : programfiles".
now do you have any way for this problem?

i mean how can i change this code for answering?
System.IO.Directory.CreateDirectory("C:\\Program Files\\WinReg\\Program\\DbSt")

and now what is answer? how can i do this?

CREATE FILE encountered operating system error 5(failed to retrieve text for this error. Reason: 15105) while attempting to open or create the physical file 'C:\\Program Files\\WinReg\\Program\\DbSt\\Student'.
CREATE DATABASE failed. Some file names listed could not be created. Check related errors.

thank you very much

again i have error : "Conversion failed when converting the varchar value 'System.Data.DataRowView' to data type int."
in line : da1.Fill(dt1)

so what is correct code? which lines i should delete and which lines i should add?

please help. its very necessery.

da1.Fill(ds1, "City")

i did that but i have this error :
Conversion failed when converting the varchar value 'System.Data.DataRowView' to data type int.

if i use sql express and make my database in that , it is better or no?
if it,s good , what should i do with sql express?
i mean what should i do for connecion between my program and sql express?
thanks

sorry .
i have two column. [id] and [count]
condition is my textbox=[id]
then reduce that

in windows application and ado.net.
i have two column. [id] and [count]
condition is my textbox=[id]
then reduce that

thanks you very much

i did it. but has problem. because we can not control the month.

i write code below that show shamsi date.
now i want another label shows 3 day after today.

sorry. i use this function to show.

public string miladi2shamsi(DateTime _date )
{
PersianCalendar pc=new PersianCalendar();
StringBuilder sb=new StringBuilder();
sb.Append(pc.GetYear(_date).ToString("0000"));
sb.Append ("/");
sb.Append (pc.GetMonth(_date ).ToString("00"));
sb.Append ("/");
sb.Append(pc.GetDayOfMonth(_date).ToString("00"));
return sb.ToString();
}


now how can i show 3 days after date of day?

sorry but it does't work.
(it is c# code) i want vb.net code

please answer. i need.

please answer? i need

i have table that it has two field. "name" and "mark" fields.
i want select name in combobox then mark of that name appear in label.

but the code below has not any message of not exists.
how can i do this?

ok. what is vb.net code?
(sorry. i am beginner)

sorry but i work in vb.net.

sorry. but in vb.net is not "exists".
what should i do?