inserting checkboxes checked values into one coloum in sqlserver using wpf

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hi
i am designing a registration page.i am having multiple checkboxes as hobbies.i want to insert all checkbox checked values into one coloum seperated by delimiter(,).
please anyone replyme.
i tried this.

C#

string s;
                  if (chkcricket.IsChecked==true)
                  {
                      s = "cricket";
                  }
                  if (chkhockey.IsChecked == true)
                  {
                      s = "hockey";
                  } if (chkbasketball.IsChecked == true)
                  {
                      s = "basketball";
                  } if (chkother.IsChecked == true)
                  {
                       s = "other";
                  }
                  SqlCommand cmd = new SqlCommand("insert into record(name,id,hobbies) values('"+txtname.Text+"','"+txtid.Text+"','"+s+"')",con);

Posted 29-Oct-13 23:02pm

laxmi smiley

Updated 29-Oct-13 23:21pm

v2

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Pheonyx 30-Oct-13 5:05am

Well what have you tried?

laxmi smiley 30-Oct-13 5:07am

i tried by if statement.

Pheonyx 30-Oct-13 5:09am

And what does that mean? Use the "improve question" and explain what you have tried, use consise/small code snippets to help show what you have done.
Also, explain what outcome it has given and what outcome you are trying to achieve.

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Pheonyx · Accepted Answer · 2013-10-29T23:44:00

Try the following:

C#

StringBuilder hobbies = new StringBuilder();
if (chkcricket.IsChecked==true)
{
     hobbies.Append("cricket,");
}
if (chkhockey.IsChecked == true)
{
     hobbies.Append("hockey,");
}
if (chkbasketball.IsChecked == true)
{
      hobbies.Append("basketball,");
}
if (chkother.IsChecked == true)
{
        hobbies.Append("other");
}

SqlCommand cmd = new SqlCommand("insert into record(name,id,hobbies) values(@name,@id,@hobbies)",con);
cmd.Parameters.AddWithValue("@name", txtname.Text);
cmd.Parameters.AddWithValue("@id", txtId.Text);
cmd.Parameters.AddWithValue("@hobbies", hobbies.ToString());

I have used a stringbuilder to build the hobbies string (it is not the cleanest way to do it as over time you will have to keep extending that if statements collection.
I have also introduced Parameters into the SQL query to help prevent SQL Injection attacks.