ASP.NET—002:GridView手动增加一行-创新互联
ASP.NET中的gridview如何增加一行呢,下面介绍一种最简单的方式。
只使用后台的数据,在后台的datatable或者list增加一项,然后重新绑定gridview。
直接看代码
效果:
实体类

public class PersonModel
{
private int personIndex;
public int PersonIndex
{
get { return personIndex; }
set { personIndex = value; }
}
private string personID;
public string PersonID
{
get { return personID; }
set { personID = value; }
}
private string personName;
public string PersonName
{
get { return personName; }
set { personName = value; }
}
private string personSex;
public string PersonSex
{
get { return personSex; }
set { personSex = value; }
}
private int personAge;
public int PersonAge
{
get { return personAge; }
set { personAge = value; }
}
private bool personSelected = false;
public bool PersonSelected
{
get { return personSelected; }
set { personSelected = value; }
}
}页面管理类
public class MainManager
{
private int sIndex = 0;
private List personCollect = new List();
private static MainManager instance = null;
public List PersonCollect
{
get { return personCollect; }
set { personCollect = value; }
}
public static MainManager DoGetInstance()
{
if (instance == null)
{
instance = new MainManager();
}
return instance;
}
public void DoAddSinglePersons()
{
sIndex = this.PersonCollect.Count;
PersonModel model = new PersonModel();
model.PersonIndex = sIndex;
model.PersonID = System.Guid.NewGuid().ToString();
model.PersonName = "测试" + sIndex;
model.PersonAge = 17 + sIndex;
model.PersonSex = sIndex % 2 == 0 ? "男" : "女";
model.PersonSelected = false;
this.PersonCollect.Add(model);
}
} 前台
后台
public partial class _Default : System.Web.UI.Page
{
private MainManager dManager = null;
protected PersonModel selectItem = null;
protected void Page_Load(object sender, EventArgs e)
{
dManager = MainManager.DoGetInstance();
if (!IsPostBack)
{
dManager.DoAddSinglePersons();
this.dgPersons.DataSource = dManager.PersonCollect;
this.dgPersons.DataBind();
}
}
protected void AddItem_Click(object sender, EventArgs e)
{
dManager.DoAddSinglePersons();
this.dgPersons.DataSource = dManager.PersonCollect;
this.dgPersons.DataBind();
}
}如果一行中有其他list控件比如 下拉列表asp:DropDownList,那么在实体中增加一个list,对应下拉列表的绑定。而且对于每一行的点击,选择等操作都要写相应的事件修改数据,下一次绑定时要将list中的数据修改成操作过的值或状态,再进行绑定。当然一般来说,使用js增加比较正规一些,下一篇来介绍。
代码下载
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新闻标题:ASP.NET—002:GridView手动增加一行-创新互联
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