I need to pass textbox values into url

Hello,

I was developed gridview into devexpress and I need to pass textbox values at the end of url which url is retrieve from database. Kindly follow this steps.

1. Create table named "inventory" with fields PartNum, ProductURL

2. Bind devexpress gridview using pre-inserted date shows into image.

3. Take 3 textboxes Key1, Key2, Key3 and pass this values into end of the url retrieved from database on button click.

I was passed static values please check this line into source code

?key1=value1&key2=value2&key3=value3&sku=' + i.PartNum AS 'ProductURL' 

 

Kindly reply asap..