我有一个名为BindItems()的方法,此方法将值传递给DataTable,然后将GridView绑定到它。
然后我在gridview中有一个包含下拉列表的itemtemplate,这个下拉列表从Gridview_RowDataBound下的代码后面的1-14填充,现在我需要想办法在另一个上获取DataTable中的Quantity值函数“BindItems()”和gridview中的每一行所以一个SelectedValue = datatable [“Quantity”]或者什么......我该怎么做?
protected void BinItems(int myId)
{
//this data table contains a value "Quantity"
DataTable dt = MyClass.getItems(myId);
uxGrid.DataSource = dt;
uxGrid.DataBind();
}
protected void Gridview1_RowDataBound(Object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType.Equals(DataControlRowType.DataRow))
{
DropDownList Myddl = e.Row.FindControl("MyQuantity") as DropDownList;
if (Myddl != null)
{
for (int i = 1; i < 15; i++)
{
Myddl.Items.Add(i.ToString());
}
}
}
//Some how i need to do a SelectedValue = datatable where field = Quantity for each row
}
答案 0 :(得分:1)
您需要访问当前绑定行DataItem
,在您的情况下,DataRowView
(因为您绑定到DataTable
):
protected void Gridview1_RowDataBound(Object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType.Equals(DataControlRowType.DataRow))
{
DropDownList Myddl = e.Row.FindControl("MyQuantity") as DropDownList;
if (Myddl != null)
{
for (int i = 1; i < 15; i++)
{
Myddl.Items.Add(i.ToString());
}
}
}
//here goes the "magic"
DataRowView dRow = e.Row.DataItem as DataRowView;
if(dRow != null)
{
Myddl.SelectedValue = dRow["Quantity"].ToString();
}
}
答案 1 :(得分:0)
您应该在DataTable dt之外,然后您将能够在函数
中访问它