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什麼是比try/catch包裝更好的方式來驗證TableAdapter上的連接是否已打開或將成功打開?驗證TableAdapter連接字符串是否成功打開?
public class MyItemParser
{
private myTableAdapter fa;
public FacultyParser()
{
this.fa = new facultyTableAdapter();
}
public bool HasValidConnection()
{
try
{
this.fa.Connection.Open();
}
catch(exception e)
{
return false;
}
return true;
}
public void FillList(IList<myItem> list)
{
foreach (var row in this.fa.GetData())
/**** DoSomething ****/
}
}