Error in if exists query

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I have error in this Code i can't Find it

Error in this line 4 (string query = "if exists(select Avatar from pets Where Skey = @Skey);)

C#

string connectionString = WebConfigurationManager.ConnectionStrings["conString"].ConnectionString;
SqlConnection con = new SqlConnection(connectionString);
string query = "if exists(select Avatar from pets  Where Skey = @Skey);
query += " begin select Avatar from pets  Where Skey = @Skey end";
query += " else  begin select Avatar from pets  Where Skey = '1' end" ;
SqlCommand cmd = new SqlCommand(query, con);
con.Open();
cmd.Parameters.AddWithValue("@Skey", Request.QueryString["ID"]);
object ReturnImage = cmd.ExecuteScalar();
byte[] photo = (byte[])ReturnImage;
Response.BinaryWrite(photo);
con.Close();

Posted 28-Mar-13 22:54pm

hany1002

Updated 28-Mar-13 23:05pm

phil.o

v3

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Sandeep Mewara 29-Mar-13 5:17am

Please share 'exact full error' and also what are you trying to do?

2 solutions

Solution 2

Corrected your code..

SQL

string connectionString = WebConfigurationManager.ConnectionStrings["conString"].ConnectionString;
          SqlConnection con = new SqlConnection(connectionString);
          string query = "if ((select COUNT(Avatar) from pets  Where Skey = @Skey)> 0)";
          query += " begin select Avatar from pets  Where Skey = @Skey end";
          query += " else  begin select Avatar from pets  Where Skey = '1' end" ;
          SqlCommand cmd = new SqlCommand(query, con);
          con.Open();
          cmd.Parameters.AddWithValue("@Skey", Request.QueryString["ID"]);
          object ReturnImage = cmd.ExecuteScalar();
          byte[] photo = (byte[])ReturnImage;
          Response.BinaryWrite(photo);
          con.Close();

And one more thing-----------

Where Skey = '1' end" ;

should be

Where Skey = 1 end" ;

Posted 28-Mar-13 23:14pm

bbirajdar

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phil.o · Accepted Answer · 2013-03-28T23:06:00

Solution 1

Pretty clear : you forgot to close the quote at the end of line (before semicolon).
Thought it was a typo on your post ; but it appears it's the real problem.

Posted 28-Mar-13 23:06pm

phil.o

v2