菜鸟求教 无法上传图片
--------------------编程问答-------------------- 没有提供相关参数@SmallImage贴出objectDateSource看看
--------------------编程问答-------------------- objectDateSource
<asp:ObjectDataSource ID="dataSource" runat="server"
DataObjectTypeName="chinaredstar.Models.Purchase" TypeName="chinaredstar.Models.Purchase"
InsertMethod="Insert" SelectMethod="SelectEmpty">
</asp:ObjectDataSource>
model
public Purchase()
{
this.CreateTime = System.DateTime.Now;
}
/// <summary>
/// ID
/// </summary>
[Column]
public Guid ID
{
get;
set;
}
/// <summary>
/// 团购标题
/// </summary>
[Column]
public string Title
{
get;
set;
}
/// <summary>
/// 链接
/// </summary>
[Column]
public string Url
{
get;
set;
}
/// <summary>
/// 内容
/// </summary>
[Column]
public string Content
{
get;
set;
}
/// <summary>
/// 浏览量
/// </summary>
[Column]
public int PageViews
{
get;
set;
}
/// <summary>
/// 创建时间
/// </summary>
[Column]
public DateTime CreateTime
{
get;
set;
}
/// <summary>
/// 状态
/// </summary>
[Column]
public bool State
{
get;
set;
}
/// <summary>
/// 小图
/// </summary>
[Column]
public String SmallImage
{
get;
set;
}
}
entity 的 insert方法
public virtual bool Insert()
{
if (this.ID is Guid)
{
this.ID = (I)Convert.ChangeType(Guid.NewGuid(), typeof(I));
}
Type type = this.GetType();
List<PropertyInfo> ps = new List<PropertyInfo>(type.GetProperties().Where<PropertyInfo>(p => p.Name != "ID" && p.GetCustomAttributes(typeof(ColumnAttribute), true).Length > 0));
using (SqlConnection connection = ConnectionHelper.CreateConnection())
{
SqlCommand command = connection.CreateCommand();
if (this.ID is Guid)
{
command.CommandText = String.Format(
"INSERT INTO {0}({1}) VALUES({2})",
(type.GetCustomAttributes(typeof(TableAttribute), true)[0] as TableAttribute).TableName,
ps.Aggregate<PropertyInfo, string>("ID", (s, p) => s + "," + p.Name),
ps.Aggregate<PropertyInfo, string>("@ID", (s, p) => s + ",@" + p.Name));
command.Parameters.AddWithValue("@ID", this.ID);
}
else // 认为 ID 是自增的。
{
command.CommandText = String.Format(
"INSERT INTO {0}({1}) VALUES({2});SELECT @@IDENTITY;",
(type.GetCustomAttributes(typeof(TableAttribute), true)[0] as TableAttribute).TableName,
ps.Aggregate<PropertyInfo, string>("", (s, p) => s + "," + p.Name).Substring(1),
ps.Aggregate<PropertyInfo, string>("", (s, p) => s + ",@" + p.Name).Substring(1));
}
ps.ForEach(p =>
{
command.Parameters.AddWithValue("@" + p.Name,
p.PropertyType.IsEnum ?
Convert.ChangeType(p.GetValue(this, null), Enum.GetUnderlyingType(p.PropertyType))
:
p.GetValue(this, null));
});
connection.Open();
if (this.ID is Guid)
{
return command.ExecuteNonQuery() > 0;
}
else
{
object o = command.ExecuteScalar();
if (o is I)
{
this.ID = (I)Convert.ChangeType(o, typeof(I));
return true;
}
else
{
return false;
}
}
}
}
--------------------编程问答-------------------- 没有大侠在listView中使用fileUpload上传的吗？
大侠你是用的什么方法呢？
补充：.NET技术 , C#
