[求助] Where 中 Expression 写法问题。 返回
顶着台风撒泡 发布于2周前
string vv2 = "1234567开发测试";
var list = db.Queryable<BXJHB>().Where(X => X.B_TYPE == vv2.Substring(7).Replace("测试", "").Trim()).ToList();
vv2.Substring(7).Replace("测试", "").Trim()
这个写法用了一年多都正常跑，突然不能用了。是咋回事 。
热忱回答（4）
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fate sta VIP0
2周前提供具体错误
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顶着台风撒泡 VIP0
2周前
System.ArgumentOutOfRangeException:“索引超出范围。必须为非负值并小于集合大小。
Parameter name: index”
at System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource)
at System.Collections.Generic.List`1.get_Item(Int32 index)
at SqlSugar.DefaultDbMethod.Substring(MethodCallExpressionModel model)
at SqlSugar.MethodCallExpressionResolve.GetMethodValue(String name, MethodCallExpressionModel model)
at SqlSugar.MethodCallExpressionResolve.Where(ExpressionParameter parameter, Nullable`1 isLeft, String name, IEnumerable`1 args, MethodCallExpressionModel model, List`1 appendArgs)
at SqlSugar.MethodCallExpressionResolve.NativeExtensionMethod(ExpressionParameter parameter, MethodCallExpression express, Nullable`1 isLeft, String name, List`1 appendArgs)
at SqlSugar.MethodCallExpressionResolve..ctor(ExpressionParameter parameter)
at SqlSugar.BaseResolve.Start()
at SqlSugar.BinaryExpressionResolve.Right(ExpressionParameter parameter, String operatorValue, Boolean isEqual, Expression rightExpression, Boolean lsbs)
at SqlSugar.BinaryExpressionResolve.DefaultBinary(ExpressionParameter parameter, BinaryExpression expression, String operatorValue)
at SqlSugar.BinaryExpressionResolve.Other(ExpressionParameter parameter)
at SqlSugar.BinaryExpressionResolve..ctor(ExpressionParameter parameter)
at SqlSugar.BaseResolve.Start()
at SqlSugar.LambdaExpressionResolve..ctor(ExpressionParameter parameter)
at SqlSugar.BaseResolve.Start()
at SqlSugar.ExpressionContext.Resolve(Expression expression, ResolveExpressType resolveType)
at SqlSugar.QueryBuilder.GetExpressionValue(Expression expression, ResolveExpressType resolveType)
at SqlSugar.QueryableProvider`1._Where(Expression expression)
at SqlSugar.QueryableProvider`1.Where(Expression`1 expression)
at HH.WCS.TaibaishanNongfu.Program.<Main>d__7.MoveNext() in G:\1AGIT\WCS\HH.WCS\Program.cs:line 428
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顶着台风撒泡 VIP0
2周前
@fate sta： 这是报错和 堆栈信息
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顶着台风撒泡 VIP0
2周前
版本问题： 5.1.4.110 报错。 5.1.4.111 正常。
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