using (SPSite site = new SPSite("http://localhost/"))
{
    using (SPWeb web = site.OpenWeb())
    {
         DataTable dt = new DataTable();
         //建立table列省略
          SPList list = web.Lists["AlertMailTest"];
         foreach (SPListItem item in list.Items)
         {
             DataRow dr = dt.NewRow();
             //Text 型別
               dr["Title"] = item["Title"];
             dr["Status"] = item["Status"];
             //Date 型別
               dr["EmailAlertDate"] = item["EmailAlertDate"];
             //Hyperlink or Picture 型別
               SPFieldUrlValue emailTo = new SPFieldUrlValue(item["EmailTo"].ToString());
             dr["EmailTo"] = emailTo.Description;
             SPFieldUrlValue emailCC = new SPFieldUrlValue(item["EmailCC"].ToString());
             dr["EmailCC"] = emailCC.Description;
             //LookUp 型別
               SPFieldLookupValue company = new SPFieldLookupValue(item["Company"] == null ? "" : item["Company"].ToString());
             dr["Company"] = company.LookupValue;
             //Choice 型別
               SPFieldChoice choice = (SPFieldChoice)item.Fields.GetField("Choice");
             dr["Choice"] = choice.GetFieldValueAsText(item["Choice"]);
             //Person or Group 型別
               SPFieldUser user = (SPFieldUser)item.Fields["Group"];
             SPFieldUserValue userValue = (SPFieldUserValue)user.GetFieldValue(item["Group"]==null ? "" :item["Group"].ToString());
             if (userValue!=null)
             {
                 dr["Group"] = userValue.LookupValue;
             }
             //多行文字
             SPFieldMultiLineText multilineField = item.Fields.GetField("Contract No.") as SPFieldMultiLineText;
             if (multilineField != null)
             {
                 string html = multilineField.GetFieldValueAsHtml(item["Contract No."], item);
                 string text = multilineField.GetFieldValueAsText(item["Contract No."]);
             } 
             dt.Rows.Add(dr);
         }
         this.gv_Data.DataSource = dt;
     }
}

 

二：賦值