[英]Edit,delete,update operations in SPgridview in sharepoint 2010 using Webparts
I have a list in my SharePoint site with name "Empdetails" and having columns (EmpName string, Empaddress string). 我的SharePoint网站中有一个列表,名称为“ Empdetails”,并且具有列(EmpName字符串,Empaddress字符串)。
I have to bind the list data to the SpGridview with edit, delete, update functionality. 我必须使用编辑,删除,更新功能将列表数据绑定到SpGridview。
I am able to bind the list data to gridview successfully, but I am unable to provide edit, delete, update functionality to the gridview. 我能够将列表数据成功绑定到gridview,但是我无法为gridview提供编辑,删除,更新功能。
Code: 码:
private void binddata()
{
SPWeb mySite = SPContext.Current.Web;
SPList myList = mySite.Lists["Empdetails"];
SPListItemCollection items = myList.Items;
//Here we will make a datatable and we will put our list data to the data table
DataTable table=new DataTable();
table.Columns.Add("EmpName", typeof(string));
table.Columns.Add("Empaddress", typeof(string));
// Create rows for each splistitem
DataRow row;
foreach (SPListItem result in items)
{
row = table.Rows.Add();
row["EmpName"] = result["EmpName"].ToString();
row["Empaddress"] = result["Empaddress"].ToString();
}
//binding data to gridview
GridView1.DataSource = table.DefaultView;
GridView1.DataBind();
}
You will need to write all of the code for updates and deletes. 您将需要编写所有代码以进行更新和删除。 It is not provided automatically. 它不会自动提供。
Personally, I would recommend using the out of the box List View web part that points to a Datasheet view rather than trying to create my own. 就个人而言,我建议使用指向“数据表”视图的开箱即用的“列表视图” Web部件,而不要尝试创建自己的。
But if you must write custom code, your code above might be able to be simplified from this: 但是,如果您必须编写自定义代码,则可以通过以下方式简化上面的代码:
DataTable table = new DataTable();
table.Columns.Add("EmpName", typeof(string));
table.Columns.Add("Empaddress", typeof(string));
DataRow row;
foreach (SPListItem result in items)
{
row = table.Rows.Add();
row["EmpName"] = result["EmpName"].ToString();
row["Empaddress"] = result["Empaddress"].ToString();
}
to this: 对此:
DataTable table = items.GetDataTable();
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { Bindata(); 受保护的无效Page_Load(对象发送者,EventArgs e){如果(!IsPostBack){Bindata(); } } }}
public void Bindata()
{
SPWeb web = SPContext.Current.Web;
SPList list = web.Lists["VisualWebpart"];
DataTable dt = new DataTable();
dt.Columns.Add("Title", typeof(string));
foreach (SPListItem item in list.Items)
{
DataRow dr = dt.NewRow();
dr["Title"] = item["Title"].ToString();
dt.Rows.Add(dr);
}
GridView1.DataSource = dt;
GridView1.DataBind();
}
protected void grd_Insert(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Insert")
{
SPWeb currentWeb = SPContext.Current.Web;
SPList lst = currentWeb.Lists["VisualWebpart"];
SPListItemCollection myColl = lst.Items;
TextBox txtTitle = (TextBox)GridView1.FooterRow.FindControl("txtTitle");
SPListItem item = myColl.Add();
item["Title"] = txtTitle.Text;
item.Update();
txtTitle.Text = "";
Bindata();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
Bindata();
}
protected void GridView1_Cancel(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
Bindata();
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
GridViewRow row = (GridViewRow)GridView1.Rows[e.RowIndex];
int Title = row.DataItemIndex;
SPWeb currentWeb = SPContext.Current.Web;
SPList lst = currentWeb.Lists["VisualWebpart"];
SPListItemCollection myColl = lst.Items;
int itemcount = myColl.Count;
for (int i = 0; i <= itemcount-1; i++)
{
SPListItem item = myColl[i];
if (Title==i)
{
myColl.Delete(i);
}
}
Bindata();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
GridViewRow row = (GridViewRow)GridView1.Rows[e.RowIndex];
int Title = row.DataItemIndex;
SPWeb currentWeb = SPContext.Current.Web;
SPList lst = currentWeb.Lists["VisualWebpart"];
SPListItemCollection myColl = lst.Items;
int itemcount = myColl.Count;
TextBox txtTit = (TextBox)GridView1.Rows[e.RowIndex].FindControl("txtTit");
string d = txtTit.Text;
for (int i = 0; i <= itemcount - 1; i++)
{
SPListItem item = myColl[i];
if (Title == i)
{
item["Title"] = d;
item.Update();
}
}
GridView1.EditIndex = -1;
Bindata();
}
}
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