[英]how to use connection string & it shows unrecognized escape sequence?
stringConnectionString = "Data Source = 192.168.0.222; Initial Catalog= ;User ID=xxxxxxx;Password=yyyyyy";
this is my connectionstring i don't know how to assign connection string & this is my file location 这是我的连接字符串,我不知道如何分配连接字符串,这是我的文件位置
D:\\Gurusoft\\Gowtham\\work\\G9HCMS\\G9Collaboration\\DataProvider\\clsPatients.cs
D:\\ Gurusoft \\ Gowtham \\ work \\ G9HCMS \\ G9Collaboration \\ DataProvider \\ clsPatients.cs
my entire code 我的整个代码
public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); 公共部分类MainWindow:窗口{public MainWindow(){InitializeComponent(); }
}
private void Button_Click(object sender, RoutedEventArgs e)
{
string stringConnectionString = null;
DataSet objDataSet;
SqlCommand objSqlCommand;
try
{
int intNum = 0;
objDataSet = new DataSet();
objSqlCommand = new SqlCommand();
stringConnectionString = (@"Data Source = 192.xxx.0.yyy; Initial Catalog=C:User\G9HCMS\clsPatients.cs;Persist Security Info=true;User ID=xxxx;Password=yyyyy");
SqlConnection objSqlConnection = new SqlConnection(stringConnectionString);
{
if (objSqlConnection != null)
{
objSqlConnection.Open();
SqlDataAdapter objSqlDataAdapter = new SqlDataAdapter("select * from MR_Patients", objSqlConnection);
// objSqlCommand.Connection = objSqlConnection;
objSqlDataAdapter.Fill(objDataSet);
for (intNum = 0; intNum <= objDataSet.Tables[0].Rows.Count - 1; intNum++)
{
MessageBox.Show(objDataSet.Tables[0].Rows[1].ItemArray[1].ToString());
}
}
else
{
objSqlConnection.Close();
MessageBox.Show("connection Error");
}
}
}
catch (Exception objException)
{
MessageBox.Show("Exception" + objException.ToString());
}
}
}
} }
how to set this connection string 如何设置此连接字符串
Try adding @ before connection string 尝试在连接字符串之前添加@
new SQlConnection(@"Data Source=HOGAR\SQLEXPRES;Init...");
Or use \\ instead of \\ 或使用\\代替\\
new SQlConnection("Data Source=HOGAR\\SQLEXPRES;Init...");
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