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