设置时间为上月开始时间

Areas/Admin/Controllers/MainServer/ProfitRewardRecordController.cs

@@ -121,7 +121,7 @@ namespace MySystem.Areas.Admin.Controllers
             }
             else
             {
-                var start = DateTime.Now.AddMonths(-1).ToString("yyyyMMdd");
+                var start = DateTime.Now.AddMonths(-1).ToString("yyyyMM") + "01";
                 var check = db.ProfitRewardRecord.Any(m => Convert.ToInt32(m.SeoTitle) >= Convert.ToInt32(start) && m.BrandId == Convert.ToInt32(BrandId));
                 if (check)
                 {

Areas/Admin/Controllers/MainServer/TradeRecordController.cs

@@ -144,7 +144,7 @@ namespace MySystem.Areas.Admin.Controllers
             }
             else
             {
-                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM-dd"));
+                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM") + "-01");
                 var check = db.TradeRecord.Any(m => m.CreateDate >= start && m.BrandId == Convert.ToInt32(BrandId));
                 if (check)
                 {

Areas/Admin/Controllers/MainServer/UserAccountRecordController.cs

@@ -108,7 +108,7 @@ namespace MySystem.Areas.Admin.Controllers
             }
             else
             {
-                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM-dd"));
+                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM") + "-01");
                 var check = db.UserAccountRecord.Any(m => m.CreateDate >= start);
                 if (check)
                 {

Areas/Admin/Controllers/MainServer/UserCashRecordController.cs

@@ -123,7 +123,7 @@ namespace MySystem.Areas.Admin.Controllers
             }
             else
             {
-                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM-dd"));
+                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM") + "-01");
                 var check = db.UserCashRecord.Any(m => m.CreateDate >= start && m.TradeType < 3);
                 if (check)
                 {
@@ -599,7 +599,7 @@ namespace MySystem.Areas.Admin.Controllers
                 // var end = Convert.ToDateTime(start).AddMonths(1);
                 // condition += " and CreateDate>='" + start + " 00:00:00' and CreateDate<'" + end + " 00:00:00'";
 
-                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM-dd"));
+                var start = Convert.ToDateTime(DateTime.Now.AddMonths(-1).ToString("yyyy-MM") + "-01");
                 var check = db.UserCashRecord.Any(m => m.CreateDate >= start && m.TradeType == 3);
                 if (check)
                 {