String Replace and Search Filter

Hi i wrote a class file

in my class file am trying to achieve like this

but am getting this error :String cannot be of zero length.

 if (username.Contains("."))
            {
                string Fname = username.Substring(0, username.IndexOf("."));
                Fname = Fname.Replace("", " ");
                string[] splitString = username.Split(new char[] { '.' });
                username = splitString[splitString.Length - 1];
               
            }

  if (username.IndexOf(" ") > 0)
                    search.Filter = "(cn=" + username + ")";
                else
                    search.Filter = "(sn=" + username + ")" & "(givenname=" + Fname + "));


in this case,if i pass a string like Joe will.smith

then

My first name should be : Joewill (it should eliminate the space,if space is there,if not leave it as it is)
lastname=smith

then i will use the search filter against "sn" and "givenname" retrieve the user info.

Please correct my mistakes,its throwing an error.
Sha1395Asked:
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Sha1395Connect With a Mentor Author Commented:
Figured out by my own

if (username.Contains("."))
                {
                    string Fname = username.Substring(0, username.IndexOf("."));
                    Fname = Fname.Replace(" ", "");
                    
                    string[] splitString = username.Split(new char[] { '.' });
                    username = splitString[splitString.Length - 1];

search.Filter = "(sn=" + username + ")&(givenname=" + Fname + ")";
}
  if (username.IndexOf(" ") > 0)

                    search.Filter = "(cn=" + username + ")";

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Praveen KumarArchitectCommented:
string[] names;
if (username.Contains("."))
            {
                names = username.Split(new char[] {'.'},StringSplitOptions.RemoveEmptyEntries);
                names[0] =  names[0].Replace(" ", "");
            }

//Now names[0] is first name and names[1] is last name
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Sha1395Author Commented:
Hi Mamtha,

Thanks for your response,how can i pass first name and last name in to my search filter

something like this

search.Filter = "(sn=" + username + ")" & "(givenname=" + Fname + "));
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Sudhakar PulivarthiProject Lead - EngineeringCommented:
Hi,
Try this code:

string first, last;
            string data = "Joe will.smith";

            string newdata = data.Replace(" ", ""); // Remove spaces.

            char[] sep = {'.'};
            string[] words = newdata.Split(sep, StringSplitOptions.RemoveEmptyEntries);

            if (words.Length != 2)
            {
                // Error.
            }
            else
            {
                first = words[0];
                last = words[1];
            }
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Praveen KumarArchitectCommented:
Something like this(not sure about your Filter syntax):

string[] names;
if (username.Contains("."))
            {
                names = username.Split(new char[] {'.'},StringSplitOptions.RemoveEmptyEntries);
                names[0] =  names[0].Replace(" ", "");
            }

//Now names[0] is first name and names[1] is last name
search.Filter = "(sn=" + names[0] + ")" + " (givenname=" + names[1] + ")";
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Sha1395Author Commented:
thanks Mamtha,

your replace condition works perfectly,but when i pass name[0] and names[1] in my search filter it throws error like


search.Filter = "(sn=" + names[0] + ")(givenname=" + names[1] + ")";


Error: use of unassigned local variable "names".

am not sure why its not recoganized
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Sha1395Author Commented:
Here is the modified code but still i can't pass the Fname to my search filter its thowing error :

"The name (fname) doesn't exist in the current context"

 if (username.Contains("."))
            {
                string Fname = username.Substring(0, username.IndexOf("."));
                Fname = Fname.Replace(" ", "");

                string[] splitString = username.Split(new char[] { '.' });
                username = splitString[splitString.Length - 1];

}


if (username.IndexOf(" ") > 0)

                    search.Filter = "(cn=" + username + ")";

                else

                      search.Filter = "(sn=" + username + ")(givenname=" + Fname + ")";

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Sha1395Author Commented:
it works like a charm
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