ext.net 数据和表单值的交互（直接上封装的代码，看注释，不多解释）
程序员文章站
2022-07-09 22:16:22
public class ModelHander
{
///
/// 通过表单动态的填充实体类
///
///...
public class ModelHander
{
///
/// 通过表单动态的填充实体类
///
///
///
///
///
public static int SetModelToForm(ref T t, NameValueCollection form, Page page)
{
int va = 0;
Type type = t.GetType();//获取类型
PropertyInfo[] pi = type.GetProperties();//获取属性集合
Type fieldType;
string ControlType;
foreach (PropertyInfo p in pi)
{
//if (form[p.Name] != null && form[p.Name] != "") //影响RadioGroup
{
try
{
fieldType = p.PropertyType;
ControlType = page.FindControl(p.Name).GetType().Name;
if (fieldType != null && fieldType.Name == "Nullable`1")//判断是否为可空类型
{
fieldType = Nullable.GetUnderlyingType(p.PropertyType);
}
if (ControlType == "ComboBox") //ComBox单独处理获取Value值
{
p.SetValue(t, Convert.ChangeType(((ComboBox)page.FindControl(p.Name)).SelectedItem.Value, fieldType), null);
}
else if (ControlType == "RadioGroup")
{
RadioGroup radioGroup = page.FindControl(p.Name) as RadioGroup;//此处没有被执行 待解决
for (int i = 0; i < radioGroup.Items.Count; i++)
{
if (radioGroup.Items[i].Checked == true)
{
p.SetValue(t, Convert.ChangeType(radioGroup.Items[i].InputValue, fieldType), null);
break;
}
}
}
else if (ControlType == "Checkbox")
{
if (((Checkbox)page.FindControl(p.Name)).Checked)
{
p.SetValue(t, Convert.ChangeType("1", fieldType), null);
}
else
{
p.SetValue(t, Convert.ChangeType("0", fieldType), null);
}
}
else if (ControlType == "Label") //ComBox单独处理获取Value值
{
p.SetValue(t, Convert.ChangeType(((Label)page.FindControl(p.Name)).Text, fieldType), null);
}
else if (ControlType == "HtmlEditor") //ComBox单独处理获取Value值
{
p.SetValue(t, Convert.ChangeType(((HtmlEditor)page.FindControl(p.Name)).Text, fieldType), null);
}
else if (ControlType == "DateField") //DateField单独处理获取Value值
{
p.SetValue(t, Convert.ChangeType(((DateField)page.FindControl(p.Name)).Text, fieldType), null);
}
else
{
p.SetValue(t, Convert.ChangeType(form[p.Name], fieldType), null);//为属性赋值，并转换键值的类型为该属性的类型
}
va++;//记录赋值成功的属性数
}
catch
{
}
}
}
return va;
}
///
/// 设置控件值
/// Control:TextField,TextArea,Label,DateField,MultiCombo,ComboBox,Radio,Checkbox，NumberField
///
///
///
///当前页面,从中寻找控件
///动作类型(EDIT、QUERY)
public static void SetDataOfControl(T t, Page page, string actType)
{
if (t==null)
{
return;
}
Type type = t.GetType();
PropertyInfo[] pi = type.GetProperties();
string ControlType;
object obj;
//string[] MultiItems;
actType = actType.ToUpper();//动作类型
foreach (PropertyInfo p in pi)
{
if (p.Name != "ID")
{
try
{
obj = p.GetValue(t, null);
ControlType = page.FindControl(p.Name).GetType().Name;
switch (ControlType)
{
case "TextField":
TextField textField = ((TextField)page.FindControl(p.Name));
if (obj != null)
{
textField.SetValue(obj);
}
if (actType == "QUERY")//查询时控件置灰,只读
{
//textField.Enabled = false;
textField.ReadOnly = true;
//textField.Cls = "textDisabled";
//textField.Disabled = true;
}
break;
case "TextArea":
TextArea textArea = ((TextArea)page.FindControl(p.Name));
if (obj != null)
{
textArea.Text = obj.ToString();
}
if (actType == "QUERY")
{
//textArea.Enabled = false;
textArea.ReadOnly = true;
}
break;
case "Label":
Label label = ((Label)page.FindControl(p.Name));
if (obj != null)
{
label.Text = obj.ToString();
}
break;
case "DateField":
DateField dateField = ((DateField)page.FindControl(p.Name));
if (obj != null)
{
dateField.Text = obj.ToString();
}
if (actType == "QUERY")//查询时控件置灰,只读
{
//dateField.Enabled = false;
dateField.ReadOnly = true;
}
break;
case "MultiCombo":
MultiCombo multiCombo = ((MultiCombo)page.FindControl(p.Name));
if (obj != null)
{
//MultiItems=obj.ToString().Split(',');
//foreach (string item in MultiItems)
//{
// multiCombo.SelectItem(item);
multiCombo.Value = obj.ToString();
//}
}
if (actType == "QUERY")
{
multiCombo.ReadOnly = true;
//multiCombo.Disabled = true;
}
break;
case "ComboBox":
ComboBox comboBox = ((ComboBox)page.FindControl(p.Name));
if (obj != null)
{
comboBox.SelectedItem.Value = obj.ToString();
}
if (actType == "QUERY")
{
comboBox.ReadOnly = true;
//comboBox.Disabled = true;
}
break;
case "RadioGroup":
RadioGroup radioGroup = page.FindControl(p.Name) as RadioGroup;
for (int i = 0; i < radioGroup.Items.Count; i++)
{
if (obj != null && radioGroup.Items[i].InputValue == obj.ToString())
{
radioGroup.Items[i].Checked = true;
}
}
if (actType == "QUERY")
{
//radioGroup.Enabled = false;
//radioGroup.ReadOnly = true;
radioGroup.Disabled = true;
}
break;
case "Checkbox":
Checkbox checkbox = ((Checkbox)page.FindControl(p.Name));
if (obj != null && obj.ToString() == "1")
{
checkbox.Checked = true;
}
else
{
checkbox.Checked = false;
}
if (actType == "QUERY")
{
checkbox.Enabled = false;
//checkbox.ReadOnly = true;
}
break;
case "Hidden":
Hidden hidden = ((Hidden)page.FindControl(p.Name));
if (obj != null)
{
hidden.Text = obj.ToString();
}
if (actType == "QUERY")//查询时控件置灰,只读
{
//textField.Enabled = false;
hidden.ReadOnly = true;
//textField.Cls = "textDisabled";
//textField.Disabled = true;
}
break;
case "NumberField":
NumberField numberField = ((NumberField)page.FindControl(p.Name));
if (obj != null)
{
numberField.Text = obj.ToString();
}
if (actType == "QUERY")//查询时控件置灰,只读
{
//textField.Enabled = false;
numberField.ReadOnly = true;
}
break;
case "TriggerField":
TriggerField triggerField = ((TriggerField)page.FindControl(p.Name));
if (obj != null)
{
triggerField.Text = obj.ToString();
}
if (actType == "QUERY")//查询时控件置灰,只读
{
//textField.Enabled = false;
triggerField.ReadOnly = true;
}
break;
case "HtmlEditor":
HtmlEditor HtmlEditor = ((HtmlEditor)page.FindControl(p.Name));
if (obj != null)
{
HtmlEditor.Text = obj.ToString();
}
if (actType == "QUERY")//查询时控件置灰,只读
{
//textField.Enabled = false;
HtmlEditor.ReadOnly = true;
//textField.Cls = "textDisabled";
//textField.Disabled = true;
}
break;
//case "GridPanel":
// GridPanel gridPanel = ((GridPanel)page.FindControl(p.Name));
// //if (obj != null)
// //{
// // gridPanel.Text = obj.ToString();
// //}
// if (actType == "QUERY")//查询时控件置灰,只读
// {
// GridPanelHelper.SetColumnsEditable(gridPanel.ColumnModel, false);
// }
// else
// {
// GridPanelHelper.SetColumnsEditable(gridPanel.ColumnModel, true);
// }
// break;
default:
break;
}
}
catch
{
}
}
}//end foreach
//置灰设置人员按钮
if (page.FindControl("AskManBtn") != null && actType == "QUERY")
{
Button button = page.FindControl("AskManBtn") as Button;
button.Disabled = true;
}
if (page.FindControl("gridAppFile") != null && actType == "QUERY")
{
FileUploadField fileUpload = page.FindControl("f2") as FileUploadField;
fileUpload.Disabled = true;
GridPanel gridPanel = page.FindControl("gridAppFile") as GridPanel;
gridPanel.ColumnModel.Columns[2].Hidden = true;
}
if (page.FindControl("BtnAdd") != null && actType == "QUERY")
{
Button btn = page.FindControl("BtnAdd") as Button;
btn.Disabled = true;
}
if (page.FindControl("BtnDel") != null && actType == "QUERY")
{
Button btn = page.FindControl("BtnDel") as Button;
btn.Disabled = true;
}
}
public static DataTable GetUserByID(int userid)
{
string sql = "select UName,g_group.GName as UClass,UWork from u_user left join ug_User_Group " +
" on u_user.UId=ug_User_Group.uId " +
" left join g_group on g_group.GId=ug_User_Group.gId " +
" where u_user.UId='" + userid + "'";
DataTable dt = Sunway.DBUtility.DbHelperSQL.ExecuteDataSet(CommandType.Text, sql, null).Tables[0];
return dt;
}
///
/// 创建GridPanel的列及Store
///
public static void CreateGrdStore(T t)
{
Type type = t.GetType();
PropertyInfo[] pi = type.GetProperties();
string ControlType;
}
}
给对应页面控件进行赋值
ModelHander.SetDataOfControl(model, this.Page, "QUERY");获得其mode值
ModelHander.SetModelToForm(ref model, Request.Form, this.Page);