How can I view the data from drop-down list item for specific item choosed

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I have an asp.net framework page in C# that contains several text boxes and buttons.
Each of these buttons contains a CRUD operation.
The page also contains a drop-down list of items linked to the local database.
How can I make this list display a spreadsheet for the desired item

What I have tried:

I want to make the Items dropdown list display only the data table for that item

Posted 24-Jan-24 18:32pm

Ali amer Kinan

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Member 14809574 · Answer 1 · 2024-01-25T17:26:00

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{

string selectedValue = DropDownList1.SelectedValue;
DisplayDataForSelectedItem(selectedValue);
}

private void DisplayDataForSelectedItem(string selectedItem)
{

GridView1.DataSource = GetDataForSelectedItem(selectedItem);
GridView1.DataBind();
}

private object GetDataForSelectedItem(string selectedItem)
{

return null;
}