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var meinLieberString = Encoding.UTF8.GetString(meinLiebesLiebesByteArray);                    

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Fehler  1  Die beste Übereinstimmung für die überladene System.Text.Encoding.GetString(byte[])-Methode hat einige ungültige Argumente.
Fehler  2  1-Argument: kann nicht von "object" in "byte[]" konvertiert werden.                    

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for (int i = 0; i < resultUploadKeys.Length; i++)
                {

                   
                    
                     print_log(Encoding.UTF8.GetString(reader[resultUploadKeys[i]]));
                  
                      
                }                    

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Encoding.UTF8.GetString((byte[])reader[resultUploadKeys[i]]);                    

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System.Byte[]                    

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for (int i = 0; i < resultUploadKeys.Length; i++)
{
    var binaryData = (byte[])reader[resultUploadKeys[i]];
    print_log(Encoding.UTF8.GetString(binaryData));
}                    

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resultUploadValues[i] = (byte[]) reader[resultUploadKeys[i]];
print_log("convertiert" + " " + resultUploadKeys[i] + " " + Encoding.UTF8.GetString(resultUploadValues[i]));                    

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 resultUploadValues[i] = Encoding.UTF8.GetString((byte[])reader[resultUploadKeys[i]]);
 print_log("convertiert" + " " + resultUploadKeys[i] + " " + resultUploadValues[i]);                    

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using(MemoryStream stream = new MemoryStream(bytes))
using(BinaryReader reader = new BinaryReader(stream))
{
    while(stream.Position < stream.Length)
    {
        int x = reader.ReadInt32();
    }
}                    

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// float
float result = BitConverter.ToSingle(deinLiebesByteArray, 0);
// string
string result = Encoding.UTF8.GetString(deinLiebesByteArray);                    

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0x33382C303030
0x33392C303030
0x00009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C4000009C400000                    

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2014/02/21_13:23:12  0x323031342F30322F32315F31333A32333A3132                    

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Declare @data varbinary(max) = 0x000007E6
select cast(@data as varchar(max)) as [varchar], cast(@data as int) as [int], cast(@data as datetime) as [datetime]                    

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varchar  int      datetime
         2022     1900-01-01 00:00:06.740                    

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SELECT [VALUE]
      ,cast([VALUE] as Varchar(max))
  FROM [Data]

where ResultID = 22                    

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0x48616C6C6F2057656C74  Hallo Welt
0x33363230303030303030313733303431  3620000000173041
0x0000041100000412000004130000041400000415000004160000041700000418000004190000041A0000041B0000041C0000041D0000041E0000041F0000042000
0x000007D7  
0x000007D8  
0x000007D9  
0x000007DA                    

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byte[] binaryData = (byte[])reader["array"]                    

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string.Format("{0:X}", readerNew.ReadByte()                    

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while (readerNew.BaseStream.Position < readerNew.BaseStream.Length)
{
    resultUploadValues[(j * resultUploadKeys.Length) + i] = resultUploadValues[(j * resultUploadKeys.Length) + i] + string.Format("{0:X2}", readerNew.ReadByte());
}