我用这个但是我不能连接数据库
conn1.Open();
using (OracleCommand crtCommand = new OracleCommand);
为了使其动态使用此方法；
string sentence = "";
string formatprototype = "";//This will hold the string to be formatted.
string output="";
public void SearchString()
{
string pattern = @".*[ ]+?[\""]{1}(?<String>[a-zA-Z0-9_]*)[\""]{1}[ ]+?MINVALUE[ ]*(?<MinValue>[-?\d]*)[ ]*MAXVALUE[ ]*(?<MaxValue>[\d]*)[ ]+?[INCREMENT]*[ ]+?[BY]*[ ]+?(?<IncrementBy>[\d]*)[ ]+?[START]*[ ]+?[WITH]*[ ]+?(?<StartWith>[\d]*)[ ]+?[CACHE]*[ ]+?(?<Cache>[\d]*)\s+?";
Regex regex = new Regex(pattern);
Match match = regex.Match(sentence);
Group @string = match.Groups[1];
Group minvalue = match.Groups[2];
Group maxvalue = match.Groups[3];
Group incrementby = match.Groups[4];
Group startswith = match.Groups[5];
Group cache = match.Groups[6];
formatprototype = @"CREATE SEQUENCE ""{0}"" MINVALUE {1} MAXVALUE {2} INCREMENT BY {3} START WITH {4} CACHE {5} NOORDER NOCYCLE";
if (minvalue.Value.StartsWith("-"))
{
output = string.Format(formatprototype, @string, minvalue, maxvalue, incrementby, maxvalue, cache);
}
else if (!minvalue.Value.StartsWith("-"))
{
output = string.Format(formatprototype, @string, minvalue, maxvalue, incrementby, minvalue, cache);
}
MessageBox.Show(output);
}
假设这SearchString()是您正在执行此操作的函数。请确保将从数据库中提取的每个字符串分配给.try尝试sentence并回答是否起作用。
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我来说两句