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					@ -337,6 +337,80 @@ namespace Apewer.Source | 
				
			
			
		
	
		
		
			
				
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					                if (stamp.Created == 0L) stamp.Created = now; | 
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					                if (stamp.Created == 0L) stamp.Created = now; | 
				
			
			
		
	
		
		
			
				
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					                if (stamp.Updated == 0L) stamp.Updated = now; | 
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					                if (stamp.Updated == 0L) stamp.Updated = now; | 
				
			
			
		
	
		
		
			
				
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					            } | 
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					            } | 
				
			
			
		
	
		
		
			
				
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					            // 类型缓存
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					            var DateTimeType = typeof(DateTime); | 
				
			
			
		
	
		
		
			
				
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					            var MinDateTime = new DateTime(1753, 1, 1, 0, 0, 0, 0); | 
				
			
			
		
	
		
		
			
				
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					            var MaxDateTime = new DateTime(9999, 12, 31, 23, 59, 59, 997); | 
				
			
			
		
	
		
		
			
				
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					            var NullableDateTimeType = typeof(DateTime?); | 
				
			
			
		
	
		
		
			
				
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					            var StringType = typeof(string); | 
				
			
			
		
	
		
		
			
				
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					#if DEBUG // 待测试
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					            // 遍历字段
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					            var recordType = record.GetType(); | 
				
			
			
		
	
		
		
			
				
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					            var tableStructure = TableStructure.Parse(recordType); | 
				
			
			
		
	
		
		
			
				
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					            foreach (var column in tableStructure.Columns) | 
				
			
			
		
	
		
		
			
				
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					                // 字符串 NOT NULL
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					                if (column.Property.PropertyType.Equals(StringType)) | 
				
			
			
		
	
		
		
			
				
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					                { | 
				
			
			
		
	
		
		
			
				
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					                    var value = column.Property.GetGetMethod().Invoke(record, null); | 
				
			
			
		
	
		
		
			
				
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					                    if (value == null) | 
				
			
			
		
	
		
		
			
				
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					                    { | 
				
			
			
		
	
		
		
			
				
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					                        var notNull = RuntimeUtility.GetAttribute<NotNullAttribute>(column.Property); | 
				
			
			
		
	
		
		
			
				
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					                        if (notNull != null) | 
				
			
			
		
	
		
		
			
				
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					                        { | 
				
			
			
		
	
		
		
			
				
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					                            column.Property.GetSetMethod().Invoke(record, new object[] { "" }); | 
				
			
			
		
	
		
		
			
				
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					                        } | 
				
			
			
		
	
		
		
			
				
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					                    } | 
				
			
			
		
	
		
		
			
				
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					                    continue; | 
				
			
			
		
	
		
		
			
				
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					                } | 
				
			
			
		
	
		
		
			
				
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					                // DateTime
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					                // min = 1753-01-01 00:00:00.000
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					                // max = 9999-12-31 23:59:59.997
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					                if (column.Property.PropertyType.Equals(DateTimeType)) | 
				
			
			
		
	
		
		
			
				
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					                { | 
				
			
			
		
	
		
		
			
				
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					                    var value = (DateTime)column.Property.GetGetMethod().Invoke(record, null); | 
				
			
			
		
	
		
		
			
				
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					                    if (value < MinDateTime) | 
				
			
			
		
	
		
		
			
				
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					                    { | 
				
			
			
		
	
		
		
			
				
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					                        column.Property.GetSetMethod().Invoke(record, new object[] { MinDateTime }); | 
				
			
			
		
	
		
		
			
				
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					                    } | 
				
			
			
		
	
		
		
			
				
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					                    else if (value > MaxDateTime) | 
				
			
			
		
	
		
		
			
				
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					                    { | 
				
			
			
		
	
		
		
			
				
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					                        column.Property.GetSetMethod().Invoke(record, new object[] { MaxDateTime }); | 
				
			
			
		
	
		
		
			
				
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					                    } | 
				
			
			
		
	
		
		
			
				
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					                    continue; | 
				
			
			
		
	
		
		
			
				
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					                } | 
				
			
			
		
	
		
		
			
				
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					                if (column.Property.PropertyType.Equals(NullableDateTimeType)) | 
				
			
			
		
	
		
		
			
				
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					                { | 
				
			
			
		
	
		
		
			
				
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					                    var value = (DateTime?)column.Property.GetGetMethod().Invoke(record, null); | 
				
			
			
		
	
		
		
			
				
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					                    if (value == null) | 
				
			
			
		
	
		
		
			
				
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					                    { | 
				
			
			
		
	
		
		
			
				
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					                        var notNull = RuntimeUtility.GetAttribute<NotNullAttribute>(column.Property); | 
				
			
			
		
	
		
		
			
				
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					                        if (notNull != null) | 
				
			
			
		
	
		
		
			
				
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					                        { | 
				
			
			
		
	
		
		
			
				
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					                            column.Property.GetSetMethod().Invoke(record, new object[] { MinDateTime }); | 
				
			
			
		
	
		
		
			
				
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					                        } | 
				
			
			
		
	
		
		
			
				
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					                    } | 
				
			
			
		
	
		
		
			
				
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					                    else | 
				
			
			
		
	
		
		
			
				
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					                    { | 
				
			
			
		
	
		
		
			
				
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					                        if (value < MinDateTime) | 
				
			
			
		
	
		
		
			
				
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					                        { | 
				
			
			
		
	
		
		
			
				
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					                            column.Property.GetSetMethod().Invoke(record, new object[] { MinDateTime }); | 
				
			
			
		
	
		
		
			
				
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					                        } | 
				
			
			
		
	
		
		
			
				
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					                        else if (value > MaxDateTime) | 
				
			
			
		
	
		
		
			
				
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					                        { | 
				
			
			
		
	
		
		
			
				
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					                            column.Property.GetSetMethod().Invoke(record, new object[] { MaxDateTime }); | 
				
			
			
		
	
		
		
			
				
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					                        } | 
				
			
			
		
	
		
		
			
				
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					                    } | 
				
			
			
		
	
		
		
			
				
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					                    continue; | 
				
			
			
		
	
		
		
			
				
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					                } | 
				
			
			
		
	
		
		
			
				
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					            } | 
				
			
			
		
	
		
		
			
				
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					#endif
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					        } | 
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					        } | 
				
			
			
		
	
		
		
			
				
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					        /// <summary>设置 Updated 属性。</summary>
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					        /// <summary>设置 Updated 属性。</summary>
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