What if you want only certain widgets to appear only on certain pages? you can do this easily with conditional tags.
Follow those steps:
Create any widget, and place it where-ever you want, and save the template. Check if it is working (should be displayed in all the pages). Remember to give a TITLE to it, like Archives/BlogRoll/Maps/Clock, anything unique or number of widget.
First log in to your Blogger account back-up your template
Then click Template >> Edit HTML
Chose Proceed to start editing the HTML code.
Cick Expand Widget Templates box
Ctrl F and find the following code
It will be something like this:
<b:widget id='HTML3' locked='false' title='UNIQUE WORD OR TITLE HERE' type='HTML'>
<b:includable id='main'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:includable>
</b:widget>
HTML3=Widget Number<b:includable id='main'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:includable>
</b:widget>
UNIQUE WORD OR TITLE HERE=Widget Title if have otherwise it will be like title=''
Now follow below steps as your need:
To SHOW the code/widget only in HomePage
<b:widget id='HTML3' locked='false' title='UNIQUE WORD OR TITLE HERE' type='HTML'>
<b:includable id='main'>
<b:if cond='data:blog.url == data:blog.homepageUrl'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
<b:includable id='main'>
<b:if cond='data:blog.url == data:blog.homepageUrl'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
To SHOW the widget in "All Posts", but NOT in HomePage
<b:widget id='HTML3' locked='false' title='UNIQUE WORD OR TITLE HERE' type='HTML'>
<b:includable id='main'>
<b:if cond='data:blog.pageType == "item"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
<b:includable id='main'>
<b:if cond='data:blog.pageType == "item"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
To SHOW the widget in any specific/particular page
<b:widget id='HTML3' locked='false' title='UNIQUE WORD OR TITLE HERE' type='HTML'>
<b:includable id='main'>
<b:if cond='data:blog.url == "SPECIFIC_BLOG_POST_URL"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
<b:includable id='main'>
<b:if cond='data:blog.url == "SPECIFIC_BLOG_POST_URL"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
To Hide the widget in any specific/particular page
<b:widget id='HTML3' locked='false' title='UNIQUE WORD OR TITLE HERE' type='HTML'>
<b:includable id='main'>
<b:if cond='data:blog.url != "SPECIFIC_BLOG_POST_URL"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
<b:includable id='main'>
<b:if cond='data:blog.url != "SPECIFIC_BLOG_POST_URL"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
To SHOW widgets only in Static Pages
<b:widget id='HTML3' locked='false' title='UNIQUE WORD OR TITLE HERE' type='HTML'>
<b:includable id='main'>
<b:if cond='data:blog.pageType == "static_page"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
<b:includable id='main'>
<b:if cond='data:blog.pageType == "static_page"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
To HIDE widgets in Static Pages
<b:widget id='HTML3' locked='false' title='UNIQUE WORD OR TITLE HERE' type='HTML'>
<b:includable id='main'>
<b:if cond='data:blog.pageType != "static_page"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>
You are done and enjoy.
<b:includable id='main'>
<b:if cond='data:blog.pageType != "static_page"'>
<!-- only display title if it's non-empty -->
<b:if cond='data:title != ""'>
<h2 class='title'><data:title/></h2>
</b:if>
<div class='widget-content'>
<data:content/>
</div>
<b:include name='quickedit'/>
</b:if>
</b:includable>
</b:widget>