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[英]How can I connect to Documentum with Emc.Documentum.FS.Runtime using C# without the app.config for the ModuleInfo tags?
[英]How can I connect C# with Db with App.config?
我需要使用app.config
將 C# 與 SQL Server 數據庫連接起來。
我的代碼是:
public partial class Form1 : Form
{
string connectionString = ConfigurationManager.ConnectionStrings["Conn"].ConnectionString;
public Form1()
{
InitializeComponent();
}
public void InsertDeleteUpdate(string query)
{
try
{
SqlConnection Conn = new SqlConnection(connectionString);
Conn.Open();
SqlCommand comm = new SqlCommand(query, Conn);
comm.ExecuteNonQuery();
Conn.Close();
MessageBox.Show("Succeeded");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
在app.config
我有:
<connectionStrings>
<add name="Test1"
providerName="System.Data.SqlClient"
connectionString="Data Source=KSPR1WS126;Initial Catalog=Test1;User ID=sa" />
</connectionStrings>
但我收到一個錯誤,我無法修復它:
ConfigurationErrorExeption is Unhandled 配置系統初始化失敗
有人可以幫我嗎?
嘗試:
var connectionString = ConfigurationManager.ConnectionStrings["Test1"].ConnectionString;
你引用Conn
作為連接字符串名稱,但引用它Test1
在App.Config
嘗試下面的代碼,然后檢查
string connectionString = ConfigurationManager.ConnectionStrings["Test1"].ConnectionString;
試試這個..
<connectionStrings>
<add name="Conn" providerName="System.Data.SqlClient"
connectionString="Data Source=KSPR1WS126;Initial Catalog=Test1;User ID=sa" />
</connectionStrings>
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