public AreaFacadeTest()
{
string dbTypeId = ConfigurationManager.AppSettings["DbType"];
TOP.Common.DbHelper.DbType dbType = (TOP.Common.DbHelper.DbType) short.Parse(dbTypeId);
dbSqlCreater = DbSqlCreater.GetDbSqlCreater(dbType);
connString = ConfigurationManager.AppSettings["ConnString"];
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
string value = tvSchema.SelectedNode.Value;
if (value != "table" && value != "view")
{
Type type = Type.GetType(value);
string dbTypeId = ConfigurationManager.AppSettings["DbType"];
TOP.Common.DbHelper.DbType dbType = (TOP.Common.DbHelper.DbType) short.Parse(dbTypeId);
string connString = ConfigurationManager.AppSettings["ConnString"];
string sqlDrop = string.Empty;
string sqlCreate = string.Empty;
string parent = tvSchema.SelectedNode.Parent.Value;
if (parent.Equals("Table", StringComparison.OrdinalIgnoreCase))
{
DbSqlCreater dbSqlCreater = DbSqlCreater.GetDbSqlCreater(dbType);
sqlDrop = dbSqlCreater.GenerateDropTableSql(type);
sqlCreate = dbSqlCreater.GenerateCreateTableSql(type);
}
else if (parent.Equals("View", StringComparison.OrdinalIgnoreCase))
{
string baseDir = Server.MapPath("~");
baseDir += @"\..\..\Database\Scripts";
DbQuery dbQuery = DbQuery.GetDbQuery(dbType);
sqlDrop = dbQuery.GenerateDropViewSql(type, baseDir);
sqlCreate = dbQuery.GenerateCreateViewSql(type, baseDir);
}
else
{
throw new ArgumentException("不能更新的类型 - " + parent + " - " + value);
}
using (DbOperator dbOperator = new DbOperator(connString))
{
try
{
dbOperator.BeginTran();
dbOperator.ExecSql(sqlDrop);
dbOperator.ExecSql(sqlCreate);
dbOperator.CommintTran();
lblMessage.Text = "更新成功 - " + parent + " - " + value;
}
catch
{
dbOperator.RollbackTran();
throw new Exception("更新数据库对象错误 - " + parent + " - " + value);
}
}
}
else
{
lblMessage.Text = "所选择对象无效，请选择要更新的数据库对象。";
}
}