字符串拼接

all = new byte[(by.Length + bytSendArray.Length)*20];

for (i = 0; i < 10; i++ )
{
Buffer.BlockCopy(by, 0, all, i*(by.Length + bytSendArray.Length), by.Length);
Buffer.BlockCopy(bytSendArray, 0, all, i * (by.Length * sizeof(byte)+by.Length + bytSendArray.Length), bytSendArray.Length);
}

for (int i = 0; i < 10; i++)
{
SampRepInfor para = new SampRepInfor();
para.ID = 1;
para.Sex = 1;
para.Age = 18;
para.HCYResult = 9;
para.Name = "张敏";

by = BytesToParaHelper.ParaToBytes(para);

}

//接收
byte[] bytReceiveArray = new byte[bytSendArray.Length];
byte[] tm = new byte[by.Length];
int ReceiveNum = comPort.SendCommand(all, ref bytReceiveArray, 200);
SampRepInfor samp = new SampRepInfor();

if (ReceiveNum!=0)
{
// Array.Copy(源数据, 源数据开始复制处索引, 接收数据, 接收数据开始处索引, 复制多少个数据);
for (int i = 0; i < bytReceiveArray.Length; i = i + by.Length)
{
Array.Copy(bytReceiveArray, i, tm, 0, by.Length);
samp = BytesToParaHelper.BytesToPara(tm);
Table = ParaToDataTableHelper.ConvertToDataTable(samp, dt);

}
}