错误 1 只有 assignment、call、increment、decrement 和 new 对象表达式可用作语句

[hy123hy123hy123]

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public class DB
{
public SqlConnection con = new SqlConnection();
public SqlCommand com = new SqlCommand();
public SqlDataAdapter Da = new SqlDataAdapter();
public DataSet Ds = new DataSet();
public DB()
{ }




public String GetConnectionstring()
{
String constr;
constr = System.Configuration.ConfigurationManager.AppSettings.Get(0).ToString();
return constr;
}
public DataSet GetDataTableBysql(String sqlstr)
{
con.ConnectionString = GetConnectionstring();
com.Connection = con;
com.CommandText = sqlstr;
Da.SelectCommand = com;
try
{
Ds.Clear();
con.Open();
Da.Fill(Ds);
con.Close();
}
catch (SqlException)
{
con.Close();
}
return Ds;
}
public Boolean UpdataDatabysql(String sqlstr)
{
con.ConnectionString = GetConnectionstring();
com.Connection = con;
com.CommandText = sqlstr;
try
{
con.Open();
com.ExecuteNonQuery();
con.Close;
return true;
}
catch (SqlException)
{
con.Close;
return false;
}
}
}
有两个错误不知道怎么改
错误 1 只有 assignment、call、increment、decrement 和 new 对象表达式可用作语句 C:\Users\Administrator\Documents\Visual Studio 2005\WebSites\WebSite1\App_Code\DB.cs 57 13 C:\...\WebSite1\

[江南小鱼]

撸主，你能debug一下定位出哪行代码报错么？ 你起码先定位出哪行代码报错吧！

[hy123hy123hy123]

con.Close;这行 两个错误都是这个 谢谢

[江南小鱼]

引用 2 楼 hy123hy123hy123 的回复:

con.Close;这行 两个错误都是这个 谢谢

Close是方法，不是属性，方法后面要有小括号的嘛

con.Close();