cmd.Parameters.AddRange(parameter);returncmd.ExecuteNonQuery(); } }//////执行语句后,返回第一行第一列的数据////////////<returns>object类型的值</returns>publicstaticobjectExecuteScalar(stringsql,paramsSqlParameter[] parameter) {using(SqlConnection conn =newSqlConnection(connstr))using(SqlCommand ...
Gets or sets the string used to open a SQL Server database. C#复制 [System.ComponentModel.SettingsBindable(true)]publicoverridestringConnectionString {get;set; } Property Value String The connection string that includes the source database name, and other parameters needed to establish the initial ...
SqlConnection sqlConn =new SqlConnection(); (3)、给连接对象的连接字符串属性赋值 sqlConn.ConnectionString="Server=172.25.112.21;database=vips;uid = vips_user;pwd = vips_user"; (4)、打开连接 sqlConn.Open(); 注意:一个已经打开了的连接在关闭之前是不能重复打开的。 (5)、关闭连接 sqlConn.Clos...
System.Data.SqlClient.notsupported.cs Gets or sets the string used to open a SQL Server database. C#Copy publicoverridestringConnectionString {get;set; } Property Value String The connection string that includes the source database name, and other parameters needed to establish the initial connect...
https://learn.microsoft.com/en-us/sql/connect/jdbc/setting-the-connection-properties?view=sql-server-ver16 If the sendStringParametersAsUnicode property is set to "true", String parameters are sent to the server in Unicode format. If the sendStringParametersAsUnicode property is set to "false"...
Connection string parametersThe connection string contains a series of name=value pair separated by semi colons. The following table lists supported parameters, which can be entered in any order.Expand table Parameter name Description ServiceUri, Service Uri, Url, or Server Specifies the URL to ...
ODBC applications use connection strings as a parameters to theSQLDriverConnectandSQLBrowseConnectfunctions. Connection strings used by ODBC have the following syntax: connection-string ::= empty-string[;] | attribute[;] | attribute; connection-string ...
String ["datetime" | "datetime2" | "datetimeoffset"] datetime2(Version 12.2+) The SQL data type to use for Java date/timestamp parameters. When one is connecting to SQL Server 2016 or higher, and interacting with legacy "datetime" values, clients may benefit from setting the property to ...
ASqlConnectionsystem object that specifies connection parameters associated with the referenced connection. 示例 C# String connectionString = "Data Source=(local);Initial Catalog=AdventureWorks2012;Integrated Security=SSPI;"; SqlConnection sqlConnection = new SqlConnection(connectionString); ServerConnection co...
With that connection string im getting an invalid connection string error. <add name="PatientContext" providerName="System.Data.SqlClient" connectionString="Data Source=SERVER\INSTANCE;Initial Catalog=Patients;User Id=PatientUser;Password=123456" /> ...