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Alex Rivera
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My application reads an Excel file using VSTO and adds the read data to a StringDictionary . It adds only data that are numbers with a few digits (1000 1000,2 1000,34 - comma is a delimiter in Russian standards). What is better to check if the current string is an appropriate number? object data, string key; // data had read try { Convert.ToDouble(regionData, CultureInfo.CurrentCulture); dic.Add(key, regionData.ToString()); } catch (InvalidCastException) { // is not a number } or double d; string str = data.ToString(); if (Double.TryParse(str, out d)) // if done, then is a number { dic.Add(key, str); } I have to use StringDictionary instead of Dictionary<string, double> because of the following parsing algorithm issues. My questions: Which way is faster? Which is safer? And is it better to call Convert.ToDouble(object) or Convert.ToDouble(string) ?
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