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hi. i've got problem with imageButton. i've got a textBox and imageButton. i'm writing something in textBox and after press enter button on keyboard. when i press enter button i want to run "ImageButton_Click" event. i put panel on my page and put textBox and imageButton. i write code shown below. but when first page open there is no problem but second page open ımagebutton_click event dos'nt run. after first page open i write something textbox and press enter it runs but when i write second word textbox and press enter, ımagebutton_click dosn't run.
this is my code behind:
protected void Page_Load(object sender, EventArgs e)
{
Page.Form.DefaultButton = aaAraImageButton.UniqueID;
Page.SetFocus(aaAranacakKelimeTextBox);
aaArananKelimeLinkButton.Visible = false;
aaArananKelimeLinkButton.Text = aaAranacakKelimeTextBox.Text;
}
this is my HTML
<asp:Panel id="Panel1" runat="server" Width="700px" Height="50px" DefaultButton="aaAraImageButton">
<asp:TextBox id="aaAranacakKelimeTextBox" runat="server" Width="583px" Font-Size="X-Large" Font-Bold="True" ForeColor="#C00000" EnableTheming="True" MaxLength="30"></asp:TextBox>
<asp:ImageButton id="aaAraImageButton" tabIndex=1 onclick="aaAraImageButton_Click" runat="server" ImageUrl="~/resimler/sozluk/ara(35-35).gif" AlternateText="Kelimeyi Ara"></asp:ImageButton></asp:Panel>
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I want to automatically select a certain tree node when the tree control is rendered.
Do I have to inject some javascripting code? is it possible from the server-side?
Thank you in advance...
Niko
<< Nearly all men can stand adversity, but if you want to test a man's character, give him power. >>
modified on Thursday, September 18, 2008 10:15 AM
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Maybe this will work:
NewNode.SelectAction = TreeNodeSelectAction.Expand;
The answers posted by me are suggestions only and cannot be used in anyway against me.
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I want the tree not to be selected, not expanded.
so when the tree is displayed, a postback is generated, as if the user clicked on the node itself to select it.
<< Nearly all men can stand adversity, but if you want to test a man's character, give him power. >>
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Hi All,
I have button on my aspx page and I want to call the button click event through java script method without any page postback.
How can I do this.
I am trying to do this as follows
document.getElementById('buttonid').onClick; but it is not in my case.
Please help me.
Thanks in Advance
Alok...
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Well the state of your page will change if you run a piece of javascript code
The answers posted by me are suggestions only and cannot be used in anyway against me.
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Hi all,
I am trying convert Gridview into Image. I am getting ArgumentException(Parameter is invalid) when i pass that memorystream object to Image.FromStream().
Please help me how to fix this error.
Here is my code
btn_GenImageOfGridview()
{
//Bind Gridview
gview.DataSource = mydatasource;
gview.DataBind();
//variable declaration
Response.Clear();
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);
gview.RenderControl(htmlWrite);
string s = stringWrite.ToString();
byte[] arrByte = new byte[s.ToCharArray().Length];
int i = 0;
foreach (char ch in s.ToCharArray())
{
arrByte[i] = (byte)ch;
i++;
}
System.IO.MemoryStream ms = new System.IO.MemoryStream(arrByte);
System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms, false,true); //Here i am Getting above Exception.returnImage.Save(@"D:\image.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
}
Please help me how to fix that error.
Thanks in advance.
Cheers,
sekhar
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 you're kidding right?? You're expecting the rendered HTML of a gridview to magically become an image just because you're loading that HTML into an image?
Sorry buddy, it ain't gonna happen!
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Is there any other way to achieve this.
I mean i have to capture gridview as Image.
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Print Screen.
That really is an awful question.
The answers posted by me are suggestions only and cannot be used in anyway against me.
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Thanks .netman.
My requirement is to convert only Gridview into Image. Not the Entire page or Screen, these are i already did it.
If you know any other way to do that, let me know.
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sekhar.k wrote: Is there any other way to achieve this.
No, there is not any built-in method for doing this. Certainly expeecting the HTML to render as an image is not going to work as stated.
About the only way I can think of doing this is to create a blank Bitmap, and draw a table using the GDI+ drawing methods. You could read the columns/rows from your gridview and replicate this on the bitmap.
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Hi,
i have problem in ie6 with the onfocus event.The onblur and onfocus event execute some javascript code. The problem is , in mozzilla this work ok, in ie6 work only for some objects.
Fe: for the companyname textbox the browser didnt apply this 2 events, the select object work fine.
Can u help me in this problem?
I add this event to my object fr5om code behind:
in page load :
..
Me.companyname.Attributes.Add("onFocus", "changehint('hint1',2)")
Me.companyname.Attributes.Add("onBlur", "check_field('companyname',this.value,'hint1')")
Me.state.Attributes.Add("onfocus", "changehint('hint4',2)")
Me.state.Attributes.Add("onblur", "check_field('state',this.value,'hint4')")
My aspx page looks like this
...
<table style="text-align:left;">
<tbody>
<tr class="row">
<td ><asp:Label ID="txtcompanyname" runat="server" Text="name + form"></asp:Label>*
<br /><asp:Label ID="obs_name" runat="server" Font-Size="9px"></asp:Label></td>
<td><asp:TextBox ID="companyname" runat="server" ></asp:TextBox>
</td>
<td>
<span id="hint1" class="hintForRegistration ">
<asp:RequiredFieldValidator CssClass="hinttext" ID="reqname" Display="Dynamic" runat="server" ControlToValidate="companyname" ErrorMessage="error1"></asp:RequiredFieldValidator>
<asp:label ID="Label0" runat="server" CssClass="hinttext"></asp:label></span>
</td>
</tr>
<tr class="row">
<td><asp:Label ID="txtcompanycounty" runat="server" Text="county"></asp:Label>*</td>
<td>
<select id="state" runat="server" >
<option selected="selected" value=""></option>
<option value="Baranya">Baranya</option>
</select></td>
<td>
<span id="hint4" class="hintForRegistration ">
<asp:label CssClass="hinttext" ID="Label3" runat="server"></asp:label>
</span>
</td>
</tr>
The javascript code change hintbox style on onfocus or onblur event:
function changehint(elem,type,label)
{
var hint = document.getElementById(elem);
hint.style.visibility = "visible";
if (type == 1)
{hint.className='hintForRegistration red';}
else if (type == 2)
{hint.className='hintForRegistration orange';}
else if (type == 3)
{hint.className='hintForRegistration blue';
hint.innertext = 'OKSA!';}
}
function check_field(thefield,thevalue,thehint)
{
if (thefield == "companyname" || thefield == "state" || thefield =="companystreet" || thefield =="companycity")
{if (validate_anytext(thevalue)) changehint(thehint,3)
else changehint(thehint,1)
}
else if (thefield == "companymail")
{if (validate_email(thevalue)) changehint(thehint,3)
else changehint(thehint,1)
}
else if (thefield == "companypass1" || thefield == "companypass2")
{if (validate_pass(thevalue)) changehint(thehint,3)
else changehint(thehint,1)
}
else changehint(thehint,3)
}
thanks
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If this is a direct copy of your code, your solution may be really simple: check casing when assigning the attributes to Me.CompanyName. You have "onFocus" in that control, but "onfocus" in the State control.
Have faith in yourself; amateurs built the Ark, professionals built the Titanic.
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i try it but not work.
The freaky thing is, when i make a save page as and i start the local copy in ie6, everything works fine. I must mention the page was saved in Ie6, so the generated code is the same.
In developer toolbar the textbox doesnt have the onfocus and onblur event.
thanks
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hi..i want to validate drop down list in asp content page..
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Good for you. Is there a specific problem? Have you perhaps looked at the section of the toolbox that contains the validator controls...?
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What a required field validator?
Be more specifc?
The answers posted by me are suggestions only and cannot be used in anyway against me.
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meghamaharshi wrote: hi..i want to validate drop down list in asp content page..
good, now did you have a question?
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I'm trying to make a data bound column invisible after data binding, because it won't exist before data binding. However, the DataGrid.Columns collection indicates a count of 0, making it seem as if the automatically generated columns don't belong to the collection.
How can I make a column that is automatically generated during binding invisible?
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on the basis of your condition
if(Condition)
gv.columns[no].visible=true;
else
gv.columns[no].visible=false;
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As I stated in my question, the columns collection is empty.
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Have you tried doing in the event handler for DataBound? I presume that the auto-generated columns are created when the control data binds.
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I'm currently doing it in the ItemCreate event, with success, thanks.
It was even after the DataBind call that the Columns collection was empty. I wonder if the call is asynchronous?
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