i want to create query from string array , but how can i do this ?

Is this what you are looking for (LINQ):

string[] resultArray = new string[3];
resultArray[0] = "Option Selected 1a"
resultArray[1] = "Option Selected 2a"
resultArray[2] = "Option Selected 3d"

//look for values where number 1 is contained
IEnumerable<string> resQry = From a In resultArray Where a.indexOf('1')>-1;

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Hi check this one this will help you

Strring query ="select a from answers where ansid =";
for ( int cnt = 0; cnt < resultArray .Length; cnt++)
            {
                con.Open();
Strring query ="select a from answers where ansid ="+resultArray [cnt].ToString();
                cmd1 = new SqlCommand(query, con);
                cmd1.ExecuteNonQuery();
                con.Close();
            }

If you want 1 Query and cannot use LINQ
(Linq is prefered)


Strring query ="select a from answers where ";
String where="";
for ( int cnt = 0; cnt < resultArray .Length; cnt++)
{
     if (i>0)
     {
          where=where+" OR ";
     }
     where=where + " ansid = " + resultArray[ cnt ].ToString();
}

sqlConection.Open();
SqlCommand sqlCommand = new SqlCommand(query + where, con);
sqlCommand.ExecuteNonQuery();
sqlConection.Close();

hello @imaki06: -

ur suggestion is right and i doing it but how can i use that IEnumerable<string> ??

can u please tell me via example ??

so i can understand it better and use it in future ....

Oh yes, this should be enough:

string[] resultArray = new string[3];
resultArray[0] = "Option Selected 1a"
resultArray[1] = "Option Selected 2a"
resultArray[2] = "Option Selected 3d"

//look for values where number 1 is contained
IEnumerable<string> resQry = From a In resultArray Where a.indexOf('1')>-1;

foreach (string result in resQry)
{
  Console.WriteLine(result);
}

Select allOpen in new window

If you want to cast that resQry to an Array. You could try something like this:

String[] qryArray= resQry.ToArray();

IEnumerable<string> resQry = From a In resultArray Where a.indexOf('1')>-1;

i got error in the above line , i include System.linq but still i got the error ??

Do you include:
System.Collections.Generic

What kind of an error?

Thanks @imaki06:

it's work