C# c选择从数据库到web控件的url
我正在尝试将url从数据库放到webcontrol。 我创建了4个选项卡控件,每个选项卡控件由webcontrol组成;我想使用从数据库获取的url: 第一个url放入tab1browser选项卡内第二个url放入tab2 我怎么做C# c选择从数据库到web控件的url,c#,database,url,tabcontrol,web-controls,C#,Database,Url,Tabcontrol,Web Controls,我正在尝试将url从数据库放到webcontrol。 我创建了4个选项卡控件,每个选项卡控件由webcontrol组成;我想使用从数据库获取的url: 第一个url放入tab1browser选项卡内第二个url放入tab2 我怎么做 private void Form1_Load(object sender, EventArgs e) { string MyConString = "SERVER=192.168.0.78;" + "DATABAS
private void Form1_Load(object sender, EventArgs e)
{
string MyConString = "SERVER=192.168.0.78;" +
"DATABASE=webboard;" +
"UID=aimja;" +
"PASSWORD=aimjawork;" +
"charset=utf8;";
MySqlConnection connection = new MySqlConnection(MyConString);
MySqlCommand command = connection.CreateCommand();
MySqlDataReader Reader;
command.CommandText = "SELECT url FROM `listweb` WHERE `url` IS NOT NULL AND ( `webbordkind` = 'เว็บท้องถิ่น' ) and `nourl`= 'n' order by province, amphore limit 4 ";
connection.Open();
Reader = command.ExecuteReader();
string thisrow = "";
string sumthisrow = "";
while (Reader.Read())
{
thisrow = "";
for (int i = 0; i < Reader.FieldCount; i++)
thisrow += Reader.GetValue(i).ToString();
// System.IO.File.AppendAllText(@"C:\file.txt", thisrow + " " + Environment.NewLine);
sumthisrow = sumthisrow + thisrow;
}
connection.Close();
}
尝试使用:
// Navigates with given WebBrowser to the given URL if it is valid.
private static void Navigate(WebBrowser webBrowser1, String address)
{
if (String.IsNullOrEmpty(address)) return;
if (address.Equals("about:blank")) return;
if (!address.StartsWith("http://") &&
!address.StartsWith("https://"))
{
address = "http://" + address;
}
try
{
webBrowser1.Navigate(new Uri(address));
}
catch (System.UriFormatException)
{
return;
}
}
在循环之前,使用4 WebBrowser创建一个数组。
然后在循环中,创建一个名为count的int,并使用如下内容:NavigateWebBrowserList[count],thisrow this.webBrowser2.Dock=System.Windows.Forms.DockStyle.Fill;this.webBrowser2.Location=新System.Drawing.Point3,3;this.webBrowser2.MinimumSize=新系统.Drawing.Size20,20;this.webBrowser2.Name=webBrowser2;this.webBrowser2.Size=new System.Drawing.size410420;this.webBrowser2.TabIndex=0;this.webBrowser2.Url=new System.Uri,System.UriKind.Absolute//