如何连接到wright数据库 [英] how can t connect to the wright database

问题描述

亲爱的先生;

当我在visual studio上运行我的网站时。它给了我错误

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建立与SQL Server的连接时发生网络相关或特定于实例的错误。服务器未找到或无法访问。验证实例名称是否正确，以及SQL Server是否配置为允许远程连接。 （提供者：SQL网络接口，错误：26 - 查找指定服务器/实例时出错）

-----

使用系统;

使用System.Collections.Generic;

使用System.Linq;

使用System.Web;

使用System.Web.UI;

使用System.Web.UI.WebControls;

使用System.Data.SqlClient;

使用System.Configuration;

使用System.Data;





公共部分类WUC_Register1l：System.Web.UI.UserControl

{

protected void Page_Load（object sender，EventArgs e）

{



}

protected void Buttonregister_Click（object sender，EventArgs e）

{



//声明

SqlConnection conn = new SqlConnection（）;

SqlCommand cmd = new SqlCommand（）;



//必需

conn.ConnectionString = Configu rationManager.ConnectionStrings [1] .ToString（）;



cmd.Connection = conn;

cmd.CommandType = CommandType.StoredProcedure;

cmd.CommandText =ManageMember;

cmd.Parameters.AddWithValue（@ check，a）;

cmd.Parameters .AddWithValue（@ username，Txtusername.Text）;

cmd.Parameters.AddWithValue（@ password，Txtpass.Text）;

cmd.Parameters.AddWithValue （@ name，Txtname.Text）;

cmd.Parameters.AddWithValue（@ email，Txtmail.Text）;

cmd.Parameters.AddWithValue（ @phone，Txtphone.Text）;

cmd.Parameters.AddWithValue（@ company，Txtcompany.Text）;

cmd.Parameters.AddWithValue（@ gender ，RadioButtongender.SelectedValue）;

cmd.Parameters.AddWithValue（@ birthday，Txtbirthday.Text）;

cmd.Parameters.AddWithValue（@ qustion， Txtquestion.Text）;

cmd.Parameters.AddWithValue（@ answer，Txtanswer.Text）;









//数据库工作

conn.Open（）;

试试

{

cmd.ExecuteNonQuery（）;

lblmsg.Text =用户已成功添加;

}

catch（SqlException ex）

{

if（ex.Number == 2627）

lblmsg.Text =用户名已存在，请更改密码用户名;

else

lblmsg.Text = ex.Message;

}

---------- ---------

我的邮件是：[e-mail]

解决方案

通常情况下SQLServer被锁定以确保安全原因，尝试启用网络：



http://blogs.msdn.com/b/walzenbach/archive/2010/04/14/how-to-enable-remote-connections-in-sql-server-2008.aspx [ ^ ]



http://stackoverflow.com/questions/11278114/enable-remote-connections-for-sql-server-express-2012 [ ^ ]

dear sir;
when i run my website on visual studio . it gives me error
----
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
-----
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;


public partial class WUC_Register1l : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void Buttonregister_Click(object sender, EventArgs e)
{

// declaration
SqlConnection conn = new SqlConnection ();
SqlCommand cmd = new SqlCommand();

//required
conn.ConnectionString=ConfigurationManager.ConnectionStrings[1].ToString() ;

cmd.Connection = conn;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "ManageMember";
cmd.Parameters.AddWithValue("@check", "a");
cmd.Parameters.AddWithValue("@username", Txtusername.Text);
cmd.Parameters.AddWithValue("@password", Txtpass.Text);
cmd.Parameters.AddWithValue("@name", Txtname.Text);
cmd.Parameters.AddWithValue("@email", Txtmail.Text);
cmd.Parameters.AddWithValue("@phone", Txtphone.Text);
cmd.Parameters.AddWithValue("@company", Txtcompany.Text);
cmd.Parameters.AddWithValue("@gender", RadioButtongender.SelectedValue);
cmd.Parameters.AddWithValue("@birthday", Txtbirthday.Text);
cmd.Parameters.AddWithValue("@qustion", Txtquestion.Text);
cmd.Parameters.AddWithValue("@answer", Txtanswer.Text);




//DB work
conn.Open();
try
{
cmd.ExecuteNonQuery();
lblmsg.Text = "User Added Successfully";
}
catch(SqlException ex)
{
if (ex.Number == 2627)
lblmsg.Text = "Username already exists,Please changepassword Username";
else
lblmsg.Text = ex.Message;
}
-------------------
my mail is : [e-mail]

解决方案

Normally SQLServer is locked down for security reasons, try enabling networking :

http://blogs.msdn.com/b/walzenbach/archive/2010/04/14/how-to-enable-remote-connections-in-sql-server-2008.aspx[^]

http://stackoverflow.com/questions/11278114/enable-remote-connections-for-sql-server-express-2012[^]

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