/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Models.UserComment model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update UserComment set ");
strSql.Append("RestaurantID=@RestaurantID,");
strSql.Append("UserName=@UserName,");
strSql.Append("Comment=@Comment");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@RestaurantID", SqlDbType.Int, 4),
new SqlParameter("@UserName", SqlDbType.NVarChar, 100),
new SqlParameter("@Comment", SqlDbType.NVarChar, 200),
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = model.RestaurantID;
parameters[1].Value = model.UserName;
parameters[2].Value = model.Comment;
parameters[3].Value = model.ID;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Models.UserComment model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into UserComment(");
strSql.Append("RestaurantID,UserName,Comment)");
strSql.Append(" values (");
strSql.Append("@RestaurantID,@UserName,@Comment)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@RestaurantID", SqlDbType.Int, 4),
new SqlParameter("@UserName", SqlDbType.NVarChar, 100),
new SqlParameter("@Comment", SqlDbType.NVarChar, 200)
};
parameters[0].Value = model.RestaurantID;
parameters[1].Value = model.UserName;
parameters[2].Value = model.Comment;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
public List <Models.UserComment> DataTableToList(DataTable dt)
{
List <Models.UserComment> modelList = new List <Models.UserComment>();
int rowCount = dt.Rows.Count;
if (rowCount > 0)
{
Models.UserComment model;
for (int i = 0; i < rowCount; i++)
{
model = new Models.UserComment();
if (dt.Rows[i]["Id"] != null && dt.Rows[i]["Id"].ToString() != "")
{
model.ID = int.Parse(dt.Rows[i]["Id"].ToString());
}
if (dt.Rows[i]["RestaurantID"] != null && dt.Rows[i]["RestaurantID"].ToString() != "")
{
model.RestaurantID = (int)dt.Rows[i]["RestaurantID"];
}
if (dt.Rows[i]["UserName"] != null && dt.Rows[i]["UserName"].ToString() != "")
{
model.UserName = dt.Rows[i]["UserName"].ToString();
}
if (dt.Rows[i]["Comment"] != null && dt.Rows[i]["Comment"].ToString() != "")
{
model.Comment = dt.Rows[i]["Comment"].ToString();
}
modelList.Add(model);
}
}
return(modelList);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Models.UserComment DataRowToModel(DataRow row)
{
Models.UserComment model = new Models.UserComment();
if (row != null)
{
if (row["ID"] != null && row["ID"].ToString() != "")
{
model.ID = int.Parse(row["ID"].ToString());
}
if (row["RestaurantID"] != null && row["RestaurantID"].ToString() != "")
{
model.RestaurantID = int.Parse(row["RestaurantID"].ToString());
}
if (row["UserName"] != null)
{
model.UserName = row["UserName"].ToString();
}
if (row["Comment"] != null)
{
model.Comment = row["Comment"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Models.UserComment GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ID,RestaurantID,UserName,Comment from UserComment ");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
Models.UserComment model = new Models.UserComment();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
