<div>
you can implement a KeyPress event for that combo and detect if keycode is 32 to select first item.
</div>


you can implement a KeyPress event for that combo and detect if keycode is 32 to select first item.

<div>
i had done that <br />
&nbsp;private void comboBox1_KeyPress(object sender, KeyPressEventArgs e)<br />
&nbsp; &nbsp; &nbsp; &nbsp; {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (e.KeyChar == (char)(Keys.Space))<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;// what to do here <br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }<br />
thansk for ur reply 
</div>


i had done that
 private void comboBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)(Keys.Space))
            {
             // what to do here
            }
thansk for ur reply

<div>
also ensure your form has the KeyPreview property set to true
</div>


also ensure your form has the KeyPreview property set to true

<div>
i had done that <br />
&nbsp;private void comboBox1_KeyPress(object sender, KeyPressEventArgs e)<br />
&nbsp; &nbsp; &nbsp; &nbsp; {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (e.KeyChar == (char)(Keys.Space))<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; comboBox1.Text = &quot;&quot;;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }<br />
<br />

</div>


i had done that
 private void comboBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)(Keys.Space))
            {
          comboBox1.Text = "";
            }



<div>
<div class="content wysiwyg-content">
i had a combobox with 5 items in it the first one is blank<br />
1) <br />
2)a<br />
3)b<br />
4)c<br />
5)d<br />
so my question is &nbsp;i want to set it to blank if i press spacebar key instead of using up arrow key to set it to balnk (for eg if my combobox is showing &quot;d&quot; i have to press up arrow 4 times to make it balnk instead i want to make it blank by pressing &quot;spacebarkey&quot;<br />
<br />
and one more thing the properties of combobox ----dropdownstyle is set to DropDownList<br />
can any one hep me please <br />
<br />

</div>
</div>


i had a combobox with 5 items in it the first one is blank
1) 
2)a
3)b
4)c
5)d
so my question is  i want to set it to blank if i press spacebar key instead of using up arrow key to set it to balnk (for eg if my combobox is showing "d" i have to press up arrow 4 times to make it balnk instead i want to make it blank by pressing "spacebarkey"

and one more thing the properties of combobox ----dropdownstyle is set to DropDownList
can any one hep me please 



combo box default value setting in c# windows form

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.