asp.net利用反射實現給model類賦值的方法

/// <summary>
/// 給model類自動賦值
/// </summary>
/// <param name="sqlstring">獲取查詢一個model實例的sql語句</param>
/// <param name="obj">model實例對象</param>
/// <returns></returns>
public object selmodel(string sqlstring,object obj)
{
 DataTable dtsell = lcommonbll.GetTable(sqlstring);
 int count = dtsell.Rows.Count;
 if (count == 0)
 {
 return null;
 }
 else
 {
 DataRow dr = dtsell.Rows[0];
 #region 另一種方法
 //foreach (DataColumn col in dr.Table.Columns)
 //{
 // PropertyInfo pt = seller.GetType().GetProperty(col.ColumnName);
 // if (String.IsNullOrEmpty(dr[col.ColumnName].ToString()))
 // {
 // break;
 // }
 // else
 // {
 // pt.SetValue(seller, dtsell.Rows[0][0], null);
 // }
 //}
 #endregion
 foreach (System.Reflection.PropertyInfo pi in obj.GetType().GetProperties())
 {
 if (pi.CanWrite)
 {
 try
 {
 if (dtsell.Rows[0][pi.Name]!=null)
 {
 pi.SetValue(obj, dtsell.Rows[0][pi.Name], null);
 }
 else
 {
 pi.SetValue(obj, null, null);
 }
 }
 catch
 {
 pi.SetValue(obj, null, null);
 }
 }
 }
 return obj;
 }
}

Seller seller = new Seller();//實體類
bind BIND = new bind();//綁定方法類
seller = (Seller)BIND.selmodel("select * from seller where SID=2", seller);//賦值