[英]How to change the displayed text in a DropDownList DataTextField based on a table row selected?
[英]How to show item in dropdownlist as being selected when we have corresponding datatextfield from gridview selected row
代码 :
DataSet ds = _dalEquipmentwiseCheckList.getEquipmentName();
ddEquipmentName.DataSource = ds.Tables[0].DefaultView;
ddEquipmentName.DataTextField = ds.Tables[0].Columns[1].ToString();
ddEquipmentName.DataValueField = ds.Tables[0].Columns[0].ToString();
ddEquipmentName.DataBind();
我想要的是:在GridView中选择一行时,应该在下拉列表中选择相应的设备名称:
var selectRow = MyGridView.SelectedRow;
ddEquipmentName.SelectedValue = selectRow.Cells[2].Text;
****//this is giving me error****
所选值无法以这种方式工作。 尝试这个:
ddEquipmentName.SelectedIndex = ddEquipmentName.Items.IndexOf(ddEquipmentName.Items.FindByText(selectRow.Cells[2].Text));
你可以试试 :
GridViewRow selectRow = MyGridView.SelectedRow;
ddEquipmentName.selectedItem.Text = selectRow.Cells[2].Text;
void setDataContext()
{
var selectRow = GridEquipmentChechList.MyGridView.SelectedRow;
if (selectRow != null)
{
txtECNumber.Text = selectRow.Cells[1].Text;
**ddEquipmentName.SelectedIndex = ddEquipmentName.Items.IndexOf(ddEquipmentName.Items.FindByText(selectRow.Cells[2].Text));**
**ddDescription.SelectedIndex = ddDescription.Items.IndexOf(ddDescription.Items.FindByText(selectRow.Cells[3].Text));**
}
}
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