我有一個類,其中我寫了幾種方法。我在該類中聲明瞭一些對象,並在catch
塊中聲明瞭它們。當我試圖在其上應用Ruleset
時,它會給出CA2000的警告信息。我的代碼遵循如何處理在C#中的類的方法中創建的對象#
public int ValidationExcelBal(string excelPath, string objectReferenceExcelPath)
{
DataTable dtPointList = new DataTable();
DataTable dtAlarm = new DataTable();
DataTable dtObjectReference = new DataTable();
try
{
int objectReferenceColNum = -1;
int objectReferenceAlarmColNum = -1;
objGGTAutoBindingToolDal.YomitoriExcelToDataTable(excelPath, ref dtPointList, ref dtAlarm);
objGGTAutoBindingToolDal.ObjectReferenceExcelToData(objectReferenceExcelPath, ref dtObjectReference);
#region code to find object reference column number in excel sheet and Alarm sheet
for (int i = 0; i < dtPointList.Columns.Count; i++)
{
for (int k = 0; k < dtPointList.Rows.Count; k++)
{
if (k < 4)
{
string name = dtPointList.Rows[k][i].ToString().Replace("\n", "").Replace(" ", "");
if (name == "ObjectReference")
{
objectReferenceColNum = i;
break;
}
}
}
}
//code to find colomn number of object reference field in Alarm sheet
for (int j = 0; j < dtAlarm.Columns.Count; j++)
{
string name = dtAlarm.Rows[0][j].ToString();
if (name.Equals("Object Reference"))
{
objectReferenceAlarmColNum = j;
break;
}
}
#endregion
if (objectReferenceColNum == -1 || objectReferenceAlarmColNum == -1)
{
return 1;
}
//if (Convert.ToString(dtObjectReference.Columns[0]).Contains("Bldg Name") || Convert.ToString(dtObjectReference.Columns[1]).Contains("Graphics Name") || Convert.ToString(dtObjectReference.Columns[2]).Contains("Controller Object Reference"))
//{
// return 2;
//}
return 3;
}
catch (Exception)
{
dtPointList.Dispose();
dtAlarm.Dispose();
dtObjectReference.Dispose();
throw;
}
}
和我的警告是遵循
Warning 17 CA2000 : Microsoft.Reliability : In method 'GgtAutoBindingToolBal.ValidationExcelBal(string, string)', call System.IDisposable.Dispose on object 'dtPointList' before all references to it are out of scope. D:\Project\Pragati Installer\GGTAutoBindingBll\GgtAutoBindingToolBal.cs 26 GgtAutoBindingBll
爲了做到這一點,您需要在您的類上實現IDisposable接口並將對象置於Dispose()方法內。 – Shetty
Dispose用於非託管資源,如文件句柄和數據庫 連接。經驗法則是在實現IDisposable的任何和每個 對象上調用Dispose。 – vikky
我沒有得到你想說的,你可以舉個例子。 – Fazil