/// <summary>
/// 增加一条数据
/// </summary>
public int Add(BookShop.Model.RoleInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into RoleInfo(");
strSql.Append("RoleName,RoleDesc)");
strSql.Append(" values (");
strSql.Append("@RoleName,@RoleDesc)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@RoleName", SqlDbType.NVarChar, 50),
new SqlParameter("@RoleDesc", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.RoleName;
parameters[1].Value = model.RoleDesc;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(BookShop.Model.RoleInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update RoleInfo set ");
strSql.Append("RoleName=@RoleName,");
strSql.Append("RoleDesc=@RoleDesc");
strSql.Append(" where RoleId=@RoleId");
SqlParameter[] parameters =
{
new SqlParameter("@RoleName", SqlDbType.NVarChar, 50),
new SqlParameter("@RoleDesc", SqlDbType.NVarChar, 50),
new SqlParameter("@RoleId", SqlDbType.Int, 4)
};
parameters[0].Value = model.RoleName;
parameters[1].Value = model.RoleDesc;
parameters[2].Value = model.RoleId;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.RoleInfo GetModel(int RoleId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 RoleId,RoleName,RoleDesc from RoleInfo ");
strSql.Append(" where RoleId=@RoleId");
SqlParameter[] parameters =
{
new SqlParameter("@RoleId", SqlDbType.Int, 4)
};
parameters[0].Value = RoleId;
BookShop.Model.RoleInfo model = new BookShop.Model.RoleInfo();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["RoleId"].ToString() != "")
{
model.RoleId = int.Parse(ds.Tables[0].Rows[0]["RoleId"].ToString());
}
model.RoleName = ds.Tables[0].Rows[0]["RoleName"].ToString();
model.RoleDesc = ds.Tables[0].Rows[0]["RoleDesc"].ToString();
return(model);
}
else
{
return(null);
}
}
