这是我学着写的一个简单留言版的代码
运行时提示:找不到类型或命名空间名称"sqlconn"(是否缺少using指令或程序集的引用?)请高手帮忙解决啊 谢谢了using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Text;public partial class lxwm : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
databind();
}
}
private void databind()
{
Cname.Text = "";
Email.Text = "";
Tel.Text = "";
Biaoti.Text = "";
Neirong.Text = "";
}
protected void Button1_Click(object sender, EventArgs e)
{
string Cname = Cname.Trim();
string Email = Email.Trim();
string Tel = Tel.Trim();
string Biaoti = Biaoti.Trim();
string Neirong = Neirong.Trim();
sqlconn conn = new sqlconn();
conn.update("insert into Liuyan(Cname,Email,Tel,Biaoti,Neirong)values('" + Cname + "','" + Email + "''" + Tel + "''" + Biaoti + "''" + Neirong + "')"); databind();
}
protected void Cname_TextChanged(object sender, EventArgs e)
{ }
protected void Neirong_TextChanged(object sender, EventArgs e)
{ }
}
运行时提示:找不到类型或命名空间名称"sqlconn"(是否缺少using指令或程序集的引用?)请高手帮忙解决啊 谢谢了using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Text;public partial class lxwm : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
databind();
}
}
private void databind()
{
Cname.Text = "";
Email.Text = "";
Tel.Text = "";
Biaoti.Text = "";
Neirong.Text = "";
}
protected void Button1_Click(object sender, EventArgs e)
{
string Cname = Cname.Trim();
string Email = Email.Trim();
string Tel = Tel.Trim();
string Biaoti = Biaoti.Trim();
string Neirong = Neirong.Trim();
sqlconn conn = new sqlconn();
conn.update("insert into Liuyan(Cname,Email,Tel,Biaoti,Neirong)values('" + Cname + "','" + Email + "''" + Tel + "''" + Biaoti + "''" + Neirong + "')"); databind();
}
protected void Cname_TextChanged(object sender, EventArgs e)
{ }
protected void Neirong_TextChanged(object sender, EventArgs e)
{ }
}
解决方案 »
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请给我个与您交流的机会
SqlConnection conn = new SqlConnection(连接字符串);
string sql="insert into Liuyan(Cname,Email,Tel,Biaoti,Neirong)values('" + Cname + "','" + Email + "','" + Tel + "','" + Biaoti + "','" + Neirong + "')";if (conn.State == ConnectionState.Closed)
conn.Open();
SqlCommand cmd = new SqlCommand(sql);
cmd.Connection = conn;
int i = cmd.ExecuteNonQuery();
conn.Close();
if (i > 1)
return 0;//操作成功
else
return -1;//操作失败
Access数据库应该用OleDbConnectionusing System.Data.OleDb;
SQL 就SQLConnection
ORalc 就OralcConnection阿如果想吃这两个就接口来做啊,比较难,建议使用EnterLibray实现数据库置换