/// <summary>
/// 得到一个对象实体
/// </summary>
public TFXK.Model.Role GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id,title,description from tb_Role ");
strSql.Append(" where id=@id ");
OleDbParameter[] parameters =
{
new OleDbParameter("@id", OleDbType.Integer, 4)
};
parameters[0].Value = id;
TFXK.Model.Role model = new TFXK.Model.Role();
DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
model.title = ds.Tables[0].Rows[0]["title"].ToString();
model.description = ds.Tables[0].Rows[0]["description"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(TFXK.Model.Role model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tb_Role(");
strSql.Append("title,description)");
strSql.Append(" values (");
strSql.Append("@title,@description)");
OleDbParameter[] parameters =
{
new OleDbParameter("@title", OleDbType.VarChar, 50),
new OleDbParameter("@description", OleDbType.VarChar, 200)
};
parameters[0].Value = model.title;
parameters[1].Value = model.description;
DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
string sql = "select max(id) from [tb_Role]";
try
{
return(int.Parse(DbHelperOleDb.GetSingle(sql).ToString()));
}
catch
{
return(0);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(TFXK.Model.Role model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tb_Role(");
strSql.Append("title,description)");
strSql.Append(" values (");
strSql.Append("@title,@description)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@title", SqlDbType.VarChar, 50),
new SqlParameter("@description", SqlDbType.Text)
};
parameters[0].Value = model.title;
parameters[1].Value = model.description;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(TFXK.Model.Role model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tb_Role set ");
strSql.Append("title=@title,");
strSql.Append("description=@description");
strSql.Append(" where id=@id ");
OleDbParameter[] parameters =
{
new OleDbParameter("@title", OleDbType.VarChar, 50),
new OleDbParameter("@description", OleDbType.VarChar, 200),new OleDbParameter("@id", OleDbType.Integer, 4)
};
parameters[0].Value = model.title;
parameters[1].Value = model.description;
parameters[2].Value = model.id;
DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
}
