User-1878433365 posted
I see,
Well, here's some code I use to read a csv text file line by line to verify that each row has exactly 18 elements before processing the file. If the function returns an empty string everything is ok, if it returns something else, then that is the error:
private static string VerifyCsvFile(string csvFile)
{
string result = "";
StreamReader r;
try { r = new StreamReader(csvFile); }
catch (Exception ex) { return ex.Message; }
using (r)
{
string line;
int i = 1;
while ((line = r.ReadLine()) != null)
{
string [] elements = line.Split(',');
if (elements.Length != 18) result += "Line " + i + " length = " + elements.Length + "<br>";
}
}
r.Close();
return result;
}
I do not see why do you need this to be a web service, but you can do it of course.
Create your .asmx file, for instance FileServices.asmx and put the method definition on your .cs file:
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
public class FileServices : System.Web.Services.WebService
{
[WebMethod]
public string VerifyCsvFile(string csvFile)
{
string result = "";
StreamReader r;
try { r = new StreamReader(csvFile); }
catch (Exception ex) { return ex.Message; }
using (r)
{
string line;
int i = 1;
while ((line = r.ReadLine()) != null)
{
string[] elements = line.Split(',');
if (elements.Length != 18) result += "Line " + i + " length = " + elements.Length + "<br>";
}
}
r.Close();
return result;
}
}
