Error on webrowser control

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Hi all,

I created a broser that navigates to google maps when the
address etc. is typed in. It was working fine and then
started gining me an error:

"The requested site is unavailible or cannot be found"

Please any help would be appriciated

Here is the code I used

private void LoadMap()
        {
            int yCurrRow = dgvMeterDetails.CurrentRow.Index;

            strProvince = dgvMeterDetails["Province", yCurrRow].Value.ToString();
            strCity = dgvMeterDetails["City", yCurrRow].Value.ToString();
            strSuburb = dgvMeterDetails["Suburb", yCurrRow].Value.ToString();
            strStreetName = dgvMeterDetails["StreetName", yCurrRow].Value.ToString();
            strStreetNo = dgvMeterDetails["StreetNo", yCurrRow].Value.ToString();

            DataTable dt = new DataTable();

            try
            {
                StringBuilder OpenMap = new StringBuilder();
                OpenMap.Append("http://maps.googleapis.com/maps/api/staticmap?center=" + strProvince + "," + strCity + "," + strSuburb + "," + strStreetName + "," + strStreetNo + "&zoom=14&size=400x400&sensor=false");

                wbMap.Navigate(OpenMap.ToString());
            }

            catch (Exception ex)
            {
                MessageBox.Show(ex.Message.ToString(), "Unable To Load Web Browser");
            }
        }

Posted 22-Feb-12 4:32am

Ben Paxton

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Comments

Herman<T>.Instance 22-Feb-12 10:37am

The requested site is unavailible or cannot be found --> did you check the url in line http://maps.googleapis.com/maps/api/staticmap. That the URL still leads to data

BobJanova 22-Feb-12 10:45am

Did your network connection go down? Did Google Maps go down?

Ben Paxton 22-Feb-12 11:47am

No it did not go down. I tested it a couple of times

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TimGameDev · Answer 1 · 2012-02-22T05:59:00

At first, you incorrectly use StringBuilder. This class was created to avoid recreating string objects in heap. So instead of "+" you should use Append method. But actually I recommend you to use String.Format here, here is example:

C#

String.Format("http://maps.googleapis.com/maps/api/staticmap?center={0},{1},{2},{3},{4}&zoom=14&size=400x400&sensor=false", strProvince, strCity, strSuburb, strStreetName, strStreetNo)

Regarding error, it is what it says. So if site is unavailable via your url this means that site is unavailable. Compare originally created URL with yours.