版主，问题又来了
我创建了数据库，现在想新建表并向表中添加记录。但是语句出错了，错误提示：系统错误。
出错行为：
string sql ="CREATE TABLE myTable"+
"(myId INTEGER CONSTRAINT PKeyMyId PRIMARY KEY,"+
"myName CHAR(50), myAddress CHAR(255), myBalance FLOAT(20))";
我查了SQL2000的书，语句格式没有错啊。请问是怎么回事？
为了给您检查错误提供便利我就顺便把整段代码贴出来了，代码如下：
string connString;
connString="Initial Catalog=addresslist;Data Source=DQL;user id=sa;password=;";
conn=new SqlConnection (connString);
// 打开数据库连接
if( conn.State == ConnectionState.Open)
conn.Close();
connString ="Integrated Security=SSPI;" +
"Initial Catalog=mydb;" +
"Data Source=localhost;";
conn.ConnectionString = connString;
conn.Open();
string sql ="CREATE TABLE myTable"+
"(myId INTEGER CONSTRAINT PKeyMyId PRIMARY KEY,"+
"myName CHAR(50), myAddress CHAR(255), myBalance FLOAT(20))";
cmd = new SqlCommand(sql, conn);
try
{
cmd.ExecuteNonQuery();
// 向表中添加记录
sql = "INSERT INTO myTable(myId, myName, myAddress, myBalance) "+
"VALUES (1001, 'Puneet Nehra', 'A 449 Sect 19, DELHI', 23.98 ) " ;
cmd = new SqlCommand(sql, conn);
cmd.ExecuteNonQuery();
sql = "INSERT INTO myTable(myId, myName,myAddress, myBalance) "+
"VALUES (1002, 'Anoop Singh', 'Lodi Road, DELHI', 353.64) " ;
cmd = new SqlCommand(sql, conn);
cmd.ExecuteNonQuery();
sql = "INSERT INTO myTable(myId, myName, myAddress, myBalance) "+
"VALUES (1003, 'Rakesh M', 'Nag Chowk, Jabalpur M.P.', 43.43) " ;
cmd = new SqlCommand(sql, conn);
cmd.ExecuteNonQuery();
sql = "INSERT INTO myTable(myId, myName, myAddress, myBalance) "+
"VALUES (1004, 'Madan Kesh', '4th Street, Lane 3, DELHI', 23.00) " ;
cmd = new SqlCommand(sql, conn);
cmd.ExecuteNonQuery();
}
catch(SqlException ae)
{
MessageBox.Show(ae.Message.ToString());
}
不是这样的，第一次是，后面就不用在new command了。具体的我找点资料给你吧，我刚回家，去吃饭先。
