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Dropdownlist Default Selection

Posted By: Easy Tutor     Category: C#     Views: 27768

Following code will be helpful if you are trying to pre-select the item of dropdownlist in asp.net. It will explains you how can you able to make item selected by default when page is loaded.

Syntax for Dropdownlist Default Selection in C#

Solution 1:  Easiest Approach 
if (DropDownList1.Items.FindByText("ITEMNAME") != null) 
{ 
DropDownList1.Items.FindByText("ITEMNAME").Selected = true; 
} 

Solution 2: Alternate Solution
string strSearch = txtSearch.Text;
ListItem itmSelected = DropDownList1.Items. FindByText("ITEMNAME");
if (itmSelected != null)
{
    DropDownList1.SelectedItem.Selected = false;
    itmSelected.Selected = true;
}

Example for Dropdownlist Default Selection in C#

/* Following Example will search for Item you would enter in Search box   and if that item is available, than make it selected */protectedvoid Page_Load(object sender, EventArgs e)
{
    if (!Page.IsPostBack)
    {
        DropDownList1.Items.Add("No Record Selected");
        DropDownList1.Items.Add("C++");
        DropDownList1.Items.Add("Asp.net");
        DropDownList1.Items.Add("C#");
        DropDownList1.Items.Add("SQL Server");
        DropDownList1.Items.Add("VB.net");
        DropDownList1.Items.Add("HTML");
        DropDownList1.Items.Add("Java");
        DropDownList1.Items.Add("My SQL");
        DropDownList1.Items.Add("PHP");
        DropDownList1.Items.Add("CSS");
        DropDownList1.Items.Add(".Net Framework");
    }
}

protectedvoid Button1_Click(object sender, EventArgs e)
{
    string strSearch = txtSearch.Text;
    ListItem itmSelected = DropDownList1.Items.FindByText(strSearch);
    if (itmSelected != null)
    {
        DropDownList1.SelectedItem.Selected = false;
        itmSelected.Selected = true;
    }
}
  
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Easy Tutor
Easy Tutor author of Dropdownlist Default Selection is from United States. Easy Tutor says

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