binding drop down problem

Question

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SQL

SELECT in_website_id, in_website_type_id, vc_website_name, vc_login_name FROM dbo.website

    WHERE bt_active = @bt_active ORDER BY vc_website_name

Using given query i am binding dropdown like this..

C#

if (dtWebsite.Rows.Count > 0)
    {
      ddlWebsite.DataSource = dtWebsite;
      ddlWebsite.DataTextField = "vc_website_name";
      ddlWebsite.DataValueField = "in_website_id";
      ddlWebsite.DataBind();
      ddlWebsite.Items.Insert(0, new ListItem("Select Website", "0"));

Here i want to show two in_website_id(1 and 604) to top How to achieve this in sql

Posted 11-Feb-13 9:35am

k@ran

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k@ran 11-Feb-13 15:37pm

website id with 1 and 604 should come first in dropdown and rest as comes ORDER BY vc_website_name

2 solutions

Solution 1

Probably you need something like this:

SQL

SELECT 0, null, 'Select Website', null
UNION ALL
SELECT in_website_id, in_website_type_id, vc_website_name, vc_login_name FROM dbo.website
WHERE bt_active = @bt_active ORDER BY vc_website_name

Posted 11-Feb-13 9:47am

Volodymyr Bobko

Comments

k@ran 11-Feb-13 15:50pm

i want two website id at first , plzz provide query..

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Matej Hlatky · Accepted Answer · 2013-02-11T09:50:00

Solution 2

To have websites with id = 1 and 604 on top of list, you need to alter your ORDER BY clause like this:

SQL

SELECT
    in_website_id, in_website_type_id, vc_website_name, vc_login_name
FROM
    dbo.website
WHERE
    bt_active = @bt_active
ORDER BY
    (CASE WHEN in_website_id IN (1, 604) THEN 0 ELSE 1 END),
    vc_website_name

Posted 11-Feb-13 9:50am

Matej Hlatky

Comments

k@ran 11-Feb-13 15:55pm

@Matej Hlatky : It is working but i cant understand statement after case how it works fine.. Can you plzz explain how this query works

Matej Hlatky 11-Feb-13 16:14pm

For sites with id = 1 and 604 it returns 0, for other else 1. Since 0 is before 1, these sites are on top of sorted list.

k@ran 11-Feb-13 16:06pm

can u plzz give me solution with help of union..

Matej Hlatky 11-Feb-13 16:15pm

Just copy first two lines from Volodymyr's code :)

k@ran 11-Feb-13 16:21pm

that code is not working