这是我的程序的背景:每种蛋白质都由一系列氨基酸(或 AA)组成
我有一些表格:tblProInfo(包含有关蛋白质的一般信息),tblOrderAA(包含特定蛋白质的序列(AA 序列)(对于每种蛋白质,我之前设置了一个序列号))
现在,我正在尝试恢复包含用户在 textbox1 中输入的部分序列的蛋白质的科学名称。很可能不止一种蛋白质包含用户键入的序列。
这是我的代码。我得到“语法错误”,我确定我还有更多错误。请帮助我!
public void OpenDB()
{
dataConnection = new OleDbConnection();
try
{
dataConnection.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\Projects_2012\\Project_Noam\\Access\\myProject.accdb";
dataConnection.Open();
}
catch (Exception e)
{
MessageBox.Show("Error accessing the database: " +
e.Message,
"Errors",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private string FromCodonsToProtein(string codons)
{
OpenDB();
int sizePro=0, i,counter=0,serialPro;
string st="",tempst="";
OleDbCommand datacommand = new OleDbCommand();
datacommand.Connection = dataConnection;
datacommand.CommandText = "SELECT tblProInfo.proInfoAAnum, tblProInfo.proInfoSerialNum,tblProInfo.proInfoScienceName FROM tblProInfo";
OleDbDataReader dataReader = datacommand.ExecuteReader();
while(dataReader.Read())
{
sizePro = dataReader.GetInt32(counter);
serialPro= dataReader.GetInt32(counter+1);
counter++;
OleDbCommand cmd= new OleDbCommand();
cmd.Connection = dataConnection;
cmd.CommandText = "SELECT tblOrderAA.orderAACodon1 FROM tblOrderAA"
+"WHERE (((tblOrderAA.orderAASerialPro)='"+serialPro+"'))";
OleDbDataReader rdr = cmd.ExecuteReader();
tempst="";
for (i = 0; i > sizePro; i++)
{
tempst = tempst + rdr.GetString(i);
}
if (tempst.Contains(codons))
{
st = st + " \n" + dataReader.GetString(counter);
}
}
return st;
}