How to pass value from the textbox to the sql query's parameter - sql

Question

I need some help here.
SET #LotId = '{0}%'
SELECT
coalesce(a.LOT_ID, b.LOT_ID,c.LOT_ID,d.LOT_ID) as LotId,
coalesce(a.CheckIn, b.CheckIn,c.CheckIn,d.CheckIn) as CheckIn,
coalesce(a.CheckOut, b.CheckOut,c.CheckOut,d.CheckOut) as CheckOut,
coalesce(a.StatusDesc, b.StatusDesc,c.StatusDesc,d.StatusDesc) as
StatusDesc
FROM
LOT_LOC_BOND a
LEFT OUTER JOIN
LOT_LOC_IEBT b ON a.LOT_ID = b.LOT_ID
AND a.CheckIn = b.CheckIn
AND a.CheckOut = b.CheckOut
AND a.StatusDesc = b.StatusDesc
LEFT OUTER JOIN
LOT_LOC_MBT c ON b.LOT_ID = c.LOT_D
AND b.CheckIn = c.CheckIn
AND b.CheckOut = c.CheckOut
AND b.StatusDesc = c.StatusDesc
LEFT OUTER JOIN
LOT_LOC_SEAL d ON c.LOT_ID = d.LOT_ID
AND c.CheckIn = d.CheckIn
AND c.CheckOut = d.CheckOut
AND c.StatusDesc = d.StatusDesc
WHERE
a.LOT_ID = #LotId
I need to pass a value which known as Lotid from the textbox to the SQL query parameter, and I don't think the above query is a right way to do that.someone told me that using coalesce is forbidden if you want to pass the parameter.
I really need your help right now. I am using SQL Server 2014 for the query and Asp.net, vb.net in Visual Studio 2010 for the IDE, this system also are using two different pages. The textbox is on the first page and the result will be display at the second page.