Webrowser控件错误 [英] Error on webrowser control
本文介绍了Webrowser控件错误的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
大家好,
我创建了一个浏览器,当
输入地址等.它工作正常,然后
开始给我发了一个错误:
所请求的站点不可用或找不到"
请任何帮助将被申请
这是我使用的代码
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");
}
}
推荐答案
首先,您错误地使用了StringBuilder
.创建该类是为了避免在堆中重新创建字符串对象.因此,您应该使用Append方法而不是"+".但是实际上我建议您在这里使用String.Format,例如:
At first, you incorrectly useStringBuilder
. 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:
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)
关于错误,这就是它的意思.因此,如果您的网址无法使用该网站,则意味着该网站不可用.比较原始创建的URL与您的URL.
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.
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