私はasp.netに非常に慣れておらず、特にテレリックには慣れていません。次のコードでグリッドビューを作成しようとしていますが、それがどのように機能するかを確認するためだけに、奇妙な問題に遭遇しました。行ごとに編集ボタンと削除ボタンを複数回追加しますが、それを引き起こすために何が間違っているのかわかりませんが、誰かがこれを手伝ってくれますか.
public partial class Default4 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (Session["GridData"] == null)
{
DataTable table = GetTable();
Session.Add("GridData", table);
}
DefineGridStructure();
}
private void DefineGridStructure()
{
DataTable current = (DataTable)Session["GridData"];
RadGrid grid = new RadGrid();
grid.ID = "RadGrid1";
grid.DataSource = current;
grid.AutoGenerateEditColumn = true;
grid.AutoGenerateDeleteColumn = true;
grid.AllowAutomaticInserts = true;
grid.Width = Unit.Percentage(100);
grid.PageSize = 15;
grid.AllowPaging = true;
grid.PagerStyle.Mode = GridPagerMode.NextPrevAndNumeric;
grid.AutoGenerateColumns = false;
grid.MasterTableView.Width = Unit.Percentage(100);
grid.MasterTableView.CommandItemDisplay = GridCommandItemDisplay.TopAndBottom;
grid.MasterTableView.DataKeyNames = new string[] { "RowNumber" };
GridBoundColumn boundColumn = new GridBoundColumn();
boundColumn.DataField = "RowNumber";
boundColumn.HeaderText = "RowNumber";
grid.MasterTableView.Columns.Add(boundColumn);
boundColumn = new GridBoundColumn();
boundColumn.DataField = "Size";
boundColumn.HeaderText = "Size";
grid.MasterTableView.Columns.Add(boundColumn);
boundColumn = new GridBoundColumn();
boundColumn.DataField = "Description";
boundColumn.HeaderText = "Description";
grid.MasterTableView.Columns.Add(boundColumn);
boundColumn = new GridBoundColumn();
boundColumn.DataField = "Quantity";
boundColumn.HeaderText = "Quantity";
grid.MasterTableView.Columns.Add(boundColumn);
boundColumn = new GridBoundColumn();
boundColumn.DataField = "Duration";
boundColumn.HeaderText = "Duration";
grid.MasterTableView.Columns.Add(boundColumn);
boundColumn = new GridBoundColumn();
boundColumn.DataField = "DurationType";
boundColumn.HeaderText = "DurationType";
grid.MasterTableView.Columns.Add(boundColumn);
boundColumn = new GridBoundColumn();
boundColumn.DataField = "Amount";
boundColumn.HeaderText = "Amount";
grid.MasterTableView.Columns.Add(boundColumn);
grid.DataBind();
PlaceHolder1.Controls.Add(grid);
}
static DataTable GetTable()
{
//
// Here we create a DataTable with a few columns.
//
// Create Datatable to store all colums
DataTable dt = new DataTable();
DataRow dr = null;
dt.Columns.Add(new DataColumn("RowNumber", typeof(string)));
dt.Columns.Add(new DataColumn("Size", typeof(string)));
dt.Columns.Add(new DataColumn("Description", typeof(string)));
dt.Columns.Add(new DataColumn("Quantity", typeof(string)));
dt.Columns.Add(new DataColumn("Unit", typeof(string)));
dt.Columns.Add(new DataColumn("Duration", typeof(string)));
dt.Columns.Add(new DataColumn("DurationType", typeof(string)));
dt.Columns.Add(new DataColumn("Amount", typeof(string)));
dr = dt.NewRow();
dr["RowNumber"] = 1;
dr["Size"] = string.Empty;
dr["Description"] = string.Empty;
dr["Quantity"] = string.Empty;
dr["Unit"] = string.Empty;
dr["Duration"] = string.Empty;
dr["DurationType"] = string.Empty;
dr["Amount"] = string.Empty;
dt.Rows.Add(dr);
return dt;
}
}