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2010-10-03T05:57:19.753
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2010-10-03T06:03:30.470
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Here's a more automatic method. It looks at the type/length of each column being inserted, on the fly. Use it like this: <pre><code> foreach (object insert in context.GetChangeSet().Inserts) { FindLongStrings(update); } context.SubmitChanges(); </code></pre> And here's the method: (It's horribly inefficient so I wouldn't leave it in production code, but if you've got a one-time conversion/import (and it sound like you do), it might do the trick.) <pre><code> public static void FindLongStrings(object testObject) { foreach (PropertyInfo propInfo in testObject.GetType().GetProperties()) { foreach (ColumnAttribute attribute in propInfo.GetCustomAttributes(typeof(ColumnAttribute), true)) { if (attribute.DbType.ToLower().Contains("varchar")) { // kinda crude, but it works... string dbType = attribute.DbType.ToLower(); int numberStartIndex = dbType.IndexOf("varchar(") + 8; int numberEndIndex = dbType.IndexOf(")", numberStartIndex); string lengthString = dbType.Substring(numberStartIndex, (numberEndIndex - numberStartIndex)); int maxLength = 0; int.TryParse(lengthString, out maxLength); string currentValue = (string)propInfo.GetValue(testObject, null); // Do your logging and truncation here if (!string.IsNullOrEmpty(currentValue) && currentValue.Length > maxLength) Console.WriteLine(testObject.GetType().Name + "." + propInfo.Name + " " + currentValue + " Max: " + maxLength); } } } } </code></pre>
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1. POUsing Linq to Sql in C#, is there any way I can automatically truncate too-long data?
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1. USshaunmartin
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