C# webclient download multiple files

NET page, you will receive an error if the account under which the application executes does not have permission to access the file. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info.

Contents Exit focus mode. Web Client. In Result Set, specify 0 as the Result Name. In Variable Name, add the variable named filename created in the example This enumerator will get the information from the SQL table created. In ADO object source variable, select the filename variable and in Enumeration mode select Rows in the first table:.

In variable Mapping, select the User:filename variable and in Index put 0. A typical error is that the value DBNull is assigned to variable. In the progress page, you can see the error message:. Error: The type of the value DBNull being assigned to variable "User::filename" differs from the current variable type String.

Variables may not change type during execution. Variable types are strict, except for variables of type Object. This error occurs because the parameter is a string and it is compared with a database object.

To fix this problem change the filename variable data type to object:. In this article, we show how to download a single file and 3 ways to download multiple files. The item iterator is the best option if there are few files. The second option C array is good if it is easy to convert the list of files to an array. The third option with the ADO Enumerator. Bursts of code to power through your day. Web Development articles, tutorials, and news. Sign in. Changhui Xu Follow.

File Upload via Swagger We will go over examples about uploading a single file, uploading a list of files, and uploading a file in a FormData…. Written by Changhui Xu Follow.

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