Create a Directory in C#

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Hi

I am Creating a directory in C#

C#

if (rows_affected == true)
        {

        
           Directory.CreateDirectory(Server.MapPath(@"~/Documents/Category/")+ Category_Id);
           
        }

This Code Creating a directory with Category_Id

Now I want to Create a SubDirectory , I want to create a directory in Category Id Folder How I do this and Category_Id is not fixed.

C#

if (rows_affected == true)
        {
            Directory.CreateDirectory(Server.MapPath(@"~/Documents/Category") + category_id +  subcategory_id);
          
            Response.Redirect("~/List_SubCategory.aspx");
            Message_Label.ForeColor = System.Drawing.Color.Green;
        }

Posted 4-May-15 19:59pm

Gurpreet Arora Malhotra

Updated 4-May-15 20:25pm

KaushalJB

v3

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[no name] 5-May-15 2:08am

What is your problem?

Gurpreet Arora Malhotra 5-May-15 2:09am

How I define that Creating a sub directory in this category id

KaushalJB 5-May-15 2:09am

Ok so you having issues ?

1 solution

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OriginalGriff · Accepted Answer · 2015-05-04T20:20:00

Basically, you need a "\" between the "Category_Id" and the "subcategory_id"
At the moment, (assuming your Cat ID is "ABC" and your sub cat is "DEF") you are asking teh system to create

D:\Temp\ABC

And then

D:\Temp\ABCDEF

When what you want is

D:\Temp\ABC\DEF

The best way to do this is to use Path.Combine:

C#

string path = Path.Combine(Server.MapPath(@"~/Documents/Category/"), category_id,  subcategory_id);
Directory.CreateDirectory(path)

As this will add and remove slashes as necessary.