Automatically assign the control value of the page to the object

Using system;
Using system. Collections. Generic;
Using system. LINQ;
Using system. Web;
Using system. Web. UI;
Using system. Web. UI. webcontrols;
Using system. reflection;
Using system. IO;
Using system. text;

Namespace projectdemo. Common
{
Public static class entitycopy
{

# Region
/// <Summary>

/// Create a model object by searching for the corresponding controls on the page (the control must be named by the "_ model attribute name" (for example, _ name) and be case-insensitive)

/// </Summary>

/// <Param name = "model"> model object to be constructed () </param>

/// <Param name = "parentcontrol"> Control container (such as the page or master station control) </param>

/// <Returns> return Parameter Model </returns>

Public static t GetModel <t> (T model, control parentcontrol)

{

Type T = model. GetType ();

Propertyinfo [] Pi = T. getproperties ();

Foreach (propertyinfo P in PI)

{

Setcontrolvaluetomodel (model, P, parentcontrol );

}

Return Model;

}

 

/// <Summary>

/// Assign the value on the page control to the model object (the control must be named by the "_ model attribute name" (for example, _ name) and be case-insensitive)

/// </Summary>

/// <Param name = "model"> model object to be assigned a value </param>

/// <Param name = "p"> an attribute </param>

/// <Param name = "parentcontrol"> Control container (such as the page or master station control) </param>

Private Static void setcontrolvaluetomodel (object model, propertyinfo P, control parentcontrol)

{

Control control = parentcontrol. findcontrol ("_" + P. Name );

If (control! = NULL)

{

Type T_c = control. GetType ();

Switch (t_c.fullname)

{

Case "system. Web. UI. webcontrols. textbox": setvalue (model, P, (textbox) control). Text); break;

Case "system. Web. UI. webcontrols. checkbox": setvalue (model, P, (checkbox) control). Checked); break;

Case "system. Web. UI. webcontrols. checkboxlist ":

Checkboxlist CBl = (checkboxlist) control );

Stringbuilder sb = new stringbuilder ();

For (INT I = 0; I <CBl. Items. Count; I ++)

{

If (CBL. items [I]. Selected)

{

SB. append (I );

SB. append (",");

}

}

Setvalue (model, P, SB. tostring (). trimend (','); break;

Case "system. Web. UI. webcontrols. Image": setvalue (model, P, (image) control). imageurl); break;

Case "system. Web. UI. webcontrols. dropdownlist": setvalue (model, P, (dropdownlist) control). selectedvalue); break;

Case "system. Web. UI. webcontrols. radiobuttonlist": setvalue (model, P, (radiobuttonlist) control). selectedvalue); break;

Case "system. Web. UI. webcontrols. hiddenfield": setvalue (model, P, (hiddenfield) control). Value); break;

Default: break;

}

}

}

 

/// <Summary>

/// Assign the value to the specified attribute of the specified model object

/// </Summary>

/// <Param name = "model"> model object to be assigned a value </param>

/// <Param name = "p"> an attribute </param>

/// <Param name = "value"> value of the attribute to be assigned to the Model </param>

Private Static void setvalue (object model, propertyinfo P, object value)

{

If (P. propertytype. fullname = "system. guid ")

{

P. setvalue (model, new GUID (value. tostring (), null );

}

Else

{

P. setvalue (model, convert. changetype (value, P. propertytype), null );

}

}

 

# Endregion

 

# Region reflection model binding Page Control

 

/// <Summary>

/// Bind the model value to the corresponding control on the page (the control must be named by "_ model attribute name" (for example, _ name) and be case-insensitive)

/// </Summary>

/// <Param name = "model"> assign a value to the Model </param>

/// <Param name = "parentcontrol"> Control container (such as the page or master station control) </param>

Public static void bindcontrols (object model, control parentcontrol)

{

Type T = model. GetType ();

Propertyinfo [] Pi = T. getproperties ();

Foreach (propertyinfo P in PI)

{

Setmodelvaluetocontrol (model, P, parentcontrol );

}

}

 

/// <Summary>

/// Assign the model value to the control on the page (currently only for Web)

/// </Summary>

/// <Param name = "model"> assign a value to the Model </param>

/// <Param name = "p"> an attribute of the Model </param>

/// <Param name = "parentcontrol"> Control container (such as the page or master station control) </param>

Private Static void setmodelvaluetocontrol (object model, propertyinfo P, control parentcontrol)

{

Control control = parentcontrol. findcontrol ("_" + P. Name );

If (control! = NULL)

{

Type T_c = control. GetType ();

Switch (t_c.fullname)

{
Case "system. Web. UI. webcontrols. textbox": (textbox) control). Text = P. getvalue (model, null). tostring (); break;
Case "system. Web. UI. webcontrols. Label": (Label) control). Text = P. getvalue (model, null). tostring (); break;

Case "system. Web. UI. webcontrols. Literal": (literal) control). Text = P. getvalue (model, null). tostring (); break;

Case "system. Web. UI. webcontrols. Image": (image) control). imageurl = P. getvalue (model, null). tostring (); break;

Case "system. Web. UI. webcontrols. dropdownlist": (dropdownlist) control). selectedvalue = P. getvalue (model, null). tostring (); break;

Case "system. Web. UI. webcontrols. radiobuttonlist": (radiobuttonlist) control). selectedvalue = P. getvalue (model, null). tostring (); break;

Case "system. Web. UI. webcontrols. checkbox": (checkbox) control). Checked = (bool) p. getvalue (model, null); break;

Case "system. Web. UI. webcontrols. checkboxlist ":

String [] arr = (string) p. getvalue (model, null). Split (',');

Checkboxlist CBl = (checkboxlist) control );

For (INT I = 0; I <arr. length; I ++)

{

CBl. items [Int. parse (ARR [I])]. Selected = true;

}

Break;

Case "system. Web. UI. webcontrols. hiddenfield": (hiddenfield) control). value = P. getvalue (model, null). tostring (); break;

Default: break;

}

}

}

# Endregion

 

}< br> public class person
{< br> Public string name {set; get ;}< br> Public String sex {set; get ;}
}< BR >}