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
To drop Primary Key of a Table using MSSQL you can use the snippet below.
ALTER TABLE tblTest DROP CONSTRAINT PK_tblTest GO
To get selected value of dropdownlist using JavaScript you can use the following snippet.
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
To disable Devexpress Node Movement while Drag Drop in C# and VB.NET you can use the following snippet.
private void treeList1_DragOver(object sender, DragEventArgs e) { e.Effect = DragDropEffects.None; } private void treeList1_CalcNodeDragImageIndex(object sender, CalcNodeDragImageIndexEventArgs e) { e.ImageIndex = -1; }
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
The snippet below shows how to make a US states drop down list in 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>