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Àý×Ó£º int id = Convert.ToInt32(replace((Request.QueryString["id"]), ""));
public static string replace(string str, string str2)
{
str = str.Replace(";", str2);
str = str.Replace("&", str2);
str = str.Replace("<", str2);
str = str.Replace(">", str2);
str = str.Replace("'", str2);
str = str.Replace("--", str2);
str = str.Replace("/", str2);
str = str.Replace("%", str2);
str = str.Replace("~", str2);
str = str.Replace(",", str2);
str = str.Replace("`", str2);
str = str.Replace("!", str2);
str = str.Replace("@", str2);
str = str.Replace("#", str2);
str = str.Replace("$", str2);
str = str.Replace("^", str2);
str = str.Replace("*", str2);
str = str.Replace("(", str2);
str = str.Replace(")", str2);
str = str.Replace("+", str2);
str = str.Replace(":", str2);
str = str.Replace("<", str2);
str = str.Replace(">", str2);
str = str.Replace("?", str2);
 
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¡¡ Ò»¡¢ SQL×¢Èë¹¥»÷µÄ¼òµ¥Ê¾Àý¡£
¡¡¡¡statement := "SELECT * from Users WHERE Value= " + a_variable + "
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´ò¿ª”Microsoft SQL Server Management Studio“ Ö±½ÓÓÃWindows Óû§Á¬½Ó½øÈ룬ÔÙÔÚ“°²È«ÐÔ”ÖеēµÇ¼Ãû”Äڵēн¨µÇ¼Ãû”£¬Äã¾Í¶ÔÓ¦µÄÌíºÃ“È·¶¨”¾Í¿ÉÒÔÁË¡£
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{
SqlConnection cnn = new SqlConnection
("context connection=true");
cnn.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = cnn;
cmd.CommandText = "select * from customers";
SqlDataReader reader = cmd.ExecuteReader();
SqlContext.Pipe.Send(reader);
reader.Close();
cnn.Close();
}
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LEFT JOIN »ò LEFT OUTER JOIN;
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