How to drop Primary Key of a Table using MSSQL

To drop Primary Key of a Table using MSSQL you can use the snippet below.

Sample MSSQL

ALTER TABLE tblTest
DROP CONSTRAINT PK_tblTest
GO

How to get selected value of dropdownlist using JavaScript

To get selected value of dropdownlist using JavaScript you can use the following snippet.

Sample Javascript

var dropDown = document.getElementById("MyDropDownId");
var dropdownValue = e.options[e.selectedIndex].value; //get the value
var dropdownText = e.options[e.selectedIndex].text; //get the text

How to disable Devexpress Node Movement while Drag Drop in C# and VB.NET

To disable Devexpress Node Movement while Drag Drop in C# and VB.NET you can use the following snippet.

Sample C#

private void treeList1_DragOver(object sender, DragEventArgs e) 
{
	e.Effect = DragDropEffects.None;
}

private void treeList1_CalcNodeDragImageIndex(object sender, CalcNodeDragImageIndexEventArgs e) 
{
	e.ImageIndex = -1;
}

Sample VB.NET

Private Sub treeList1_DragOver(ByVal sender As Object, ByVal e As DragEventArgs)
	e.Effect = DragDropEffects.None
End Sub

Private Sub treeList1_CalcNodeDragImageIndex(ByVal sender As Object, ByVal e As CalcNodeDragImageIndexEventArgs)
	e.ImageIndex = -1
End Sub

How to make a US states drop down list in HTML

The snippet below shows how to make a US states drop down list in HTML.

Sample HTML

<select name="state">
    <option value="AL">Alabama</option>
    <option value="AK">Alaska</option>
    <option value="AZ">Arizona</option>
    <option value="AR">Arkansas</option>
    <option value="CA">California</option>
    <option value="CO">Colorado</option>
    <option value="CT">Connecticut</option>
    <option value="DE">Delaware</option>
    <option value="FL">Florida</option>
    <option value="GA">Georgia</option>
    <option value="HI">Hawaii</option>
    <option value="ID">Idaho</option>
    <option value="IL">Illinois</option>
    <option value="IN">Indiana</option>
    <option value="IA">Iowa</option>
    <option value="KS">Kansas</option>
    <option value="KY">Kentucky</option>
    <option value="LA">Louisiana</option>
    <option value="ME">Maine</option>
    <option value="MD">Maryland</option>
    <option value="MA">Massachusetts</option>
    <option value="MI">Michigan</option>
    <option value="MN">Minnesota</option>
    <option value="MS">Mississippi</option>
    <option value="MO">Missouri</option>
    <option value="MT">Montana</option>
    <option value="NE">Nebraska</option>
    <option value="NV">Nevada</option>
    <option value="NH">New Hampshire</option>
    <option value="NJ">New Jersey</option>
    <option value="NM">New Mexico</option>
    <option value="NY">New York</option>
    <option value="NC">North Carolina</option>
    <option value="ND">North Dakota</option>
    <option value="OH">Ohio</option>
    <option value="OK">Oklahoma</option>
    <option value="OR">Oregon</option>
    <option value="PA">Pennsylvania</option>
    <option value="RI">Rhode Island</option>
    <option value="SC">South Carolina</option>
    <option value="SD">South Dakota</option>
    <option value="TN">Tennessee</option>
    <option value="TX">Texas</option>
    <option value="UT">Utah</option>
    <option value="VT">Vermont</option>
    <option value="VA">Virginia</option>
    <option value="WA">Washington</option>
    <option value="WV">West Virginia</option>
    <option value="WI">Wisconsin</option>
    <option value="WY">Wyoming</option>
</select>