使用Visual Studio 2013爲網絡創建一個使用空白表格一個網站,我剛開始和我與(我認爲)是掙扎Access數據庫的連接。我創建了可以在數據庫中提取和更新數據的表單,但是當我嘗試使用文本框的插入數據創建註冊表單時,我收到了以下錯誤消息。我知道這段代碼並不好我剛開始學習這個!請任何人都可以幫我嗎?.net和訪問數據庫連接問題?
錯誤消息:
System.ArgumentException:關鍵字不支持: '供應商'。在 System.Data.Common.DbConnectionOptions.ParseInternal(哈希表 parsetable,字符串的connectionString,布爾buildChain,哈希表 同義詞,布爾firstKey)在 System.Data.Common.DbConnectionOptions..ctor(字符串的connectionString, Hashtable的同義詞,布爾useOdbcRules)在 System.Data.SqlClient.SqlConnectionString..ctor(字符串 的connectionString)在 System.Data.SqlClient.SqlConnectionFactory.CreateConnectionOptions(字符串 的connectionString,DbConnectionOptions以前)在 System.Data.ProviderBase.DbConnectionFactory.GetConnectionPoolGroup( DbConnectionPoolKey 鍵,DbConnectionPoolGroupOptions poolOptions,DbConnectionOptions &個 userConnectionOptions)在 System.Data.SqlClient.SqlConnection.ConnectionString_Set(DbConnectionPoolKey 鍵)在 System.Data.SqlClient.SqlConnection.set_ConnectionString(字符串值) 在System.Data.SqlClient.SqlConnection..ctor(字符串的connectionString , SqlCredential憑證)在 System.Data.SqlClient.SqlConnection..ctor(字符串的connectionString)在 Registration.Button1_Click(對象發件人,EventArgs e)如 C:\用戶\婁\文件\的Visual Studio 2013 \網站已\ BeautyExperts \ Registration.aspx.cs:線22
個Registion.aspx.cs代碼:
`enter code here`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.OleDb;
public partial class Registration : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
try
{
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["UsersConnectionString"].ConnectionString);
conn.Open();
string insertQuery = "insert into login (first_name,last_name) values (@first_name,@last_name)";
SqlCommand com = new SqlCommand(insertQuery, conn);
com.Parameters.AddWithValue("@first_name", TextBoxFirstName.Text);
com.Parameters.AddWithValue("@last_name", TextBoxLastName.Text);
com.ExecuteNonQuery();
Response.Redirect("UsersGridView.aspx");
Response.Write("Registration successful");
conn.Close();
}
catch (Exception ex)
{
Response.Write("Error: " + ex.ToString());
}
}
}
配置文件:
<?xml version="1.0"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<configSections>
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
</configSections>
<connectionStrings>
<add name="LoginConnectionString" connectionString="Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\lou\Documents\BeautyExpertsDB.accdb" providerName="System.Data.OleDb"/>
<add name="UsersConnectionString" connectionString="Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\lou\Documents\BeautyExpertsDB.accdb" providerName="System.Data.OleDb"/>
<add name="Users1ConnectionString" connectionString="Data Source=(LocalDB)\v11.0;AttachDbFilename=|DataDirectory|\BeautyExpertsDatabase.mdf;Integrated Security=True" providerName="System.Data.SqlClient"/>
</connectionStrings>
<system.web>
<compilation debug="true" targetFramework="4.5">
<assemblies>
<add assembly="System.Web.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
</assemblies>
</compilation>
<httpRuntime targetFramework="4.5"/>
</system.web>
<appSettings>
<add key="ValidationSettings:UnobtrusiveValidationMode" value="None"/>
</appSettings>
</configuration>
我猜連接字符串我也看不出是不正確。 – duffymo
感謝您的回覆。你的意思是連接字符串「UsersConnectionString」?當使用其他表單來更新和查看數據庫中的項目時,這是否正常工作? – ZMB
份額UsersConnectionString價值,這是在web.config中 –