private JqGridFilter DeserializeJson(string json)
{
JavaScriptSerializer jss = new JavaScriptSerializer();
JqGridFilter filter = jss.Deserialize <JqGridFilter>(json);
return(filter);
}
public Expression <Func <ENTITY, bool> > Build <ENTITY>(JqGridFilter filter, bool isNullCheck = false) where ENTITY : DomainEntity
{
ParameterExpression pe = Expression.Parameter(typeof(ENTITY), "x");
if (filter.groupOp == "NONE")
{
return(null);
}
Expression predicateBody = createBinaryExpressionsForRules(filter.rules, pe, null, isNullCheck);
if (predicateBody == null)
{
return(null);
}
Expression <Func <ENTITY, bool> > expression = Expression.Lambda <Func <ENTITY, bool> >(predicateBody, new[] { pe });
return(expression);
}
