internal static Delegate CompileLambdaExpression(ColumnExpression expression, Type dataType, Type[] servicePredefinedTypes, DataRow dataRow, DataRow inputRow)
{
Delegate result;
try
{
result = ExpressionCalculator.CompileLambdaExpression(expression, dataType, servicePredefinedTypes, dataRow, inputRow);
}
catch (ParseException innerException)
{
throw new LambdaExpressionException(expression.Expression, innerException);
}
catch (TargetInvocationException innerException2)
{
throw new LambdaExpressionException(expression.Expression, innerException2);
}
return(result);
}
protected override List <string> OnValidate(string lambdaExpression, Service profile)
{
List <string> list = new List <string>();
try
{
lambdaExpression = lambdaExpression.Replace("@1", "@0");
ColumnExpression expression = ExpressionCalculator.BuildColumnExpression(lambdaExpression);
using (DataTable dataTable = new DataTable())
{
DataRow dataRow = dataTable.NewRow();
ExpressionCalculator.CompileLambdaExpression(expression, typeof(object), profile.PredefinedTypes.ToArray(), dataRow, null);
}
}
catch (Exception ex)
{
list.Add(string.Format("Fail to compile lambda expression {0} with error {1}. \r\n If the error is about no applicable method, please also double check you do type cast explicitly in your lambdaexpression, like SearchText=>DDIHelper.AsteriskAround(String(@1[SearchText])) ", lambdaExpression, ex.ToString()));
}
return(list);
}
