/// <summary>
/// 增加一条数据
/// </summary>
public int Add(BookShop.Model.Settings model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Settings(");
strSql.Append("Name,Value)");
strSql.Append(" values (");
strSql.Append("@Name,@Value)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Name", SqlDbType.NVarChar, 50),
new SqlParameter("@Value", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.Name;
parameters[1].Value = model.Value;
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 bool Update(BookShop.Model.Settings model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Settings set ");
strSql.Append("Name=@Name,");
strSql.Append("Value=@Value");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@Name", SqlDbType.NVarChar, 50),
new SqlParameter("@Value", SqlDbType.NVarChar, 50),
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = model.Name;
parameters[1].Value = model.Value;
parameters[2].Value = model.Id;
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.Settings GetModel(string name)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,Name,Value from Settings ");
strSql.Append(" where Name=@Name ");
SqlParameter[] parameters =
{
new SqlParameter("@Name", SqlDbType.NVarChar, 50)
};
parameters[0].Value = name;
BookShop.Model.Settings model = new BookShop.Model.Settings();
DataSet ds = DbHelperSQL.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.Name = ds.Tables[0].Rows[0]["Name"].ToString();
model.Value = ds.Tables[0].Rows[0]["Value"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(BookShop.Model.Settings model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Settings set ");
strSql.Append("Name=@Name,");
strSql.Append("Value=@Value");
strSql.Append(" where Id=@Id ");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.Int, 4),
new SqlParameter("@Name", SqlDbType.NVarChar, 50),
new SqlParameter("@Value", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.Id;
parameters[1].Value = model.Name;
parameters[2].Value = model.Value;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.Settings DataRowToModel(DataRow row)
{
BookShop.Model.Settings model=new BookShop.Model.Settings();
if (row != null)
{
if(row["Id"]!=null && row["Id"].ToString()!="")
{
model.Id=int.Parse(row["Id"].ToString());
}
if(row["Name"]!=null)
{
model.Name=row["Name"].ToString();
}
if(row["Value"]!=null)
{
model.Value=row["Value"].ToString();
}
}
return model;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.Settings DataRowToModel(DataRow row)
{
BookShop.Model.Settings model = new BookShop.Model.Settings();
if (row != null)
{
if (row["Id"] != null && row["Id"].ToString() != "")
{
model.Id = int.Parse(row["Id"].ToString());
}
if (row["Name"] != null)
{
model.Name = row["Name"].ToString();
}
if (row["Value"] != null)
{
model.Value = row["Value"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.Settings GetModel(string name)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,Name,Value from Settings ");
strSql.Append(" where Name=@Name");
SqlParameter[] parameters = {
new SqlParameter("@Name", SqlDbType.NVarChar,50)
};
parameters[0].Value = name;
BookShop.Model.Settings model = new BookShop.Model.Settings();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return DataRowToModel(ds.Tables[0].Rows[0]);
}
else
{
return null;
}
}
/// <summary>
/// 获得数据列表
/// </summary>
public List <BookShop.Model.Settings> DataTableToList(DataTable dt)
{
List <BookShop.Model.Settings> modelList = new List <BookShop.Model.Settings>();
int rowsCount = dt.Rows.Count;
if (rowsCount > 0)
{
BookShop.Model.Settings model;
for (int n = 0; n < rowsCount; n++)
{
model = new BookShop.Model.Settings();
if (dt.Rows[n]["Id"].ToString() != "")
{
model.Id = int.Parse(dt.Rows[n]["Id"].ToString());
}
model.Name = dt.Rows[n]["Name"].ToString();
model.Value = dt.Rows[n]["Value"].ToString();
modelList.Add(model);
}
}
return(modelList);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.Settings GetModel(int Id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,Name,Value from Settings ");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = Id;
BookShop.Model.Settings model = new BookShop.Model.Settings();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(BookShop.Model.Settings model)
{
dal.Update(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(BookShop.Model.Settings model)
{
return(dal.Add(model));
}