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Difference between Convert.ToString() and .ToString()
What is the difference between Convert.ToString() and .ToString() ?
19 Answers
19
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Create a date from day month and year with T-SQL
I am trying to convert a date with individual parts such as 12, 1, 2007 into a datetime in SQL Server 2005. I have tried the following:
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Convert generic List/Enumerable to DataTable?
I have few methods that returns different Generic Lists.
27 Answers
27
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Get first day of week in SQL Server
...ay of week.
DECLARE @DOW INT -- to store day of week
SET @INPUTDATE = CONVERT(VARCHAR(10), @INPUTDATE, 111)
SET @DOW = DATEPART(DW, @INPUTDATE)
-- Magic convertion of monday to 1, tuesday to 2, etc.
-- irrespect what SQL server thinks about start of the week.
-- But here we have sunday...
Convert from ASCII string encoded in Hex to plain ASCII?
How can I convert from hex to plain ASCII in Python?
8 Answers
8
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Random String Generator Returning Same String [duplicate]
...r ch;
for (int i = 0; i < size; i++)
{
ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
builder.Append(ch);
}
return builder.ToString();
}
// get 1st random string
string Rand1 = Random...
How do I get a human-readable file size in bytes abbreviation using .NET?
...return "0" + suf[0];
long bytes = Math.Abs(byteCount);
int place = Convert.ToInt32(Math.Floor(Math.Log(bytes, 1024)));
double num = Math.Round(bytes / Math.Pow(1024, place), 1);
return (Math.Sign(byteCount) * num).ToString() + suf[place];
}
Also in c#, but should be a snap to conve...
How to convert an object to a byte array in C#
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To convert an object to a byte array:
// Convert an object to a byte array
public static byte[] ObjectToByteArray(Object obj)
{
BinaryFormatter bf = new BinaryFormatter();
using (var ms = new MemoryStream())
{
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Returning null as an int permitted with ternary operator but not if statement
...terprets true ? null : 0 as an Integer expression, which can be implicitly converted to int, possibly giving NullPointerException.
For the second case, the expression null is of the special null type see, so the code return null makes type mismatch.
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T-SQL Cast versus Convert
What is the general guidance on when you should use CAST versus CONVERT ? Is there any performance issues related to choosing one versus the other? Is one closer to ANSI-SQL?
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