Enterprise Library 2.0系列：添加一条记录，返回主键ID号

[b] -- 新建一篇日志，返回主键ID值。
ALTER PROCEDURE dbo.BlogMainNew
(
@title nvarchar (100),
@content text
)
AS

Insert Into BlogMain (title, content) values (@title, @content);
Select @@IDENTITY;
RETURN

Database db = DatabaseFactory.CreateDatabase();
DbCommand cmd = db.GetStoredProcCommand("BlogMainNew");
db.AddInParameter(cmd, "@title", DbType.String, this.tbxTitle.Text.Trim());
db.AddInParameter(cmd, "@content", DbType.String, this.tbxContent.Text.Trim());
object objID = db.ExecuteScalar(cmd); // ExecuteNonQuery 方法返回的是受影响的行数，不能混用了。
Response.Write("<br>主键ID是：" + Convert.ToInt32(objID));
Response.End();

string sName = "黄琴";
string sAddress = "IBM ThinkPad 制造";
string sCity = "深圳";
string sCountry = "中国";
string sPostalCode = "518000";

// 创建 Database、DbCommand 对象
Database db = DatabaseFactory.CreateDatabase("CS_QuickStarts");
string strSql = "Insert Into Customers (Name, Address, City, Country, PostalCode) values (@Name, @Address, @City, @Country, @PostalCode); Select @@IDENTITY;";
DbCommand cmd = db.GetSqlStringCommand(strSql);

// 添加参数
db.AddInParameter(cmd, "Name", DbType.String, sName);
db.AddInParameter(cmd, "Address", DbType.String, sAddress);
db.AddInParameter(cmd, "City", DbType.String, sCity);
db.AddInParameter(cmd, "Country", DbType.String, sCountry);
db.AddInParameter(cmd, "PostalCode", DbType.String, sPostalCode);

// 执行
int identity = Convert.ToInt32(db.ExecuteScalar(cmd));
Response.Write("添加成功，该主键ID为：" + identity + "。");
Response.End();

string strUserName = "王彩锦";
string strBirthday = "1982-08-21";

// 创建 Database 对象
Database db = DatabaseFactory.CreateDatabase();

// 执行非参数的 SQL 语句
string strSql = "Insert Into Users (UserName, Birthday) values ('"+strUserName+"', '"+strBirthday+"');";
strSql += "Select @@IDENTITY;";
object identity = db.ExecuteScalar(CommandType.Text, strSql);

// 显示结果
Response.Write("新建用户成功，该用户的ID是：" + identity);
Response.End();