منتدى فيجوال بيسك لكل العرب | منتدى المبرمجين العرب
اوجه مشكلة في POST خطاء Object reference not set to an instance of an object. - نسخة قابلة للطباعة

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+--- قسم : قسم ASP.NET (http://vb4arb.com/vb/forumdisplay.php?fid=52)
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+---- الموضوع : اوجه مشكلة في POST خطاء Object reference not set to an instance of an object. (/showthread.php?tid=6751)



اوجه مشكلة في POST خطاء Object reference not set to an instance of an object. - oneyemenweb2 - 28-10-12

السلام عليكم
اوجه مشكلة في POST خطاء Object reference not set to an instance of an object.
كود :
if(IsPostBack==true)
            
            {
                var post = Request.Form["fullname"];
                res.InnerHtml = post.ToString();

            }

حيث RES هي DIV و FULLNAME اسم TEXT في FORM

الفرم مرفق لكم
كود :
<form method="POST" action="card.aspx" id="myform">
<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="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" />
</div>

<div class="aspNetHidden">

    <input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEWCgLc35GCDQKYvLquCgKwtN68CwLcx+aCDwLb9PfUCALa0OCXDALwrvTHAQLj+MXkDAK7m9zTAQK80eatD4687o4PFRmQGi60AnZor0kVDPYJKQinCv3iPu/+GJu8" />
</div>
    <!--webbot bot="SaveResults" U-File="fpweb:///_private/form_results.csv" S-Format="TEXT/CSV" S-Label-Fields="TRUE" -->
    <p align="center">الرجاء إدخال إسمك هنا :&nbsp;
    <input name="ctl00$MainContent$fullname" type="text" id="MainContent_fullname" size="41" /><span lang="en-us"> </span>لون إسمك
    <select onchange="color_bg_select(this.value,'select_color_name')" style="background:black" id="select_color_name">
<option value="black" class="BLACKs">    </option>
<option value="red" class="reds">  </option>
<option value="green" class="greens" ></option>
<option value="AQUA" class="AQUAs" ></option>
<option value="BROWN" class="BROWNs" ></option>
<option value="CHARTREUSE" class="CHARTREUSEs" ></option>
<option value="FUCHSIA" class="FUCHSIAs" ></option>
<option value="LIME" class="LIMEs" ></option>
<option value="NAVY" class="NAVYs" ></option>
<option value="OLIVE" class="OLIVEs" ></option>
<option value="ORANGE" class="ORANGEs" ></option>
<option value="SILVER" class="SILVERs" ></option>
<option value="TEAL" class="TEALs" ></option>
<option value="VIOLET" class="VIOLETs" ></option>
<option value="YELLOW" class="YELLOWs" ></option>
</select></p>
    <p align="center">الرجاء اختيار العنوان<input type="text" name="T2" size="41">&nbsp;&nbsp;
    لون عنوانك
    <select onchange="color_bg_select(this.value,'select_color_title')" style="background:black" id="select_color_title" name="D1">
<option value="black" class="BLACKs">    </option>
<option value="red" class="reds">  </option>
<option value="green" class="greens" ></option>
<option value="AQUA" class="AQUAs" ></option>
<option value="BROWN" class="BROWNs" ></option>
<option value="CHARTREUSE" class="CHARTREUSEs" ></option>
<option value="FUCHSIA" class="FUCHSIAs" ></option>
<option value="LIME" class="LIMEs" ></option>
<option value="NAVY" class="NAVYs" ></option>
<option value="OLIVE" class="OLIVEs" ></option>
<option value="ORANGE" class="ORANGEs" ></option>
<option value="SILVER" class="SILVERs" ></option>
<option value="TEAL" class="TEALs" ></option>
<option value="VIOLET" class="VIOLETs" ></option>
<option value="YELLOW" class="YELLOWs" ></option>
</select> </p>

    <p align="center">الرجاء اختيار الإطار </p>
    <p align="center">&nbsp;</p>
    <p align="center"><select name="ctl00$MainContent$listimage" id="MainContent_listimage" onChange="location='card.aspx?m='+this.options[this.selectedIndex].value">
    <option value="041a0a3bc8cet.jpg">041a0a3bc8cet.jpg</option>
    <option value="113503c8f0da.jpg">113503c8f0da.jpg</option>
    <option value="1195096100_futbol.jpg">1195096100_futbol.jpg</option>
    <option value="1232956674_ramka-dlja-detskikh-foto-foto-s-lesnymi-zhiteljam.jpg">1232956674_ramka-dlja-detskikh-foto-foto-s-lesnymi-zhiteljam.jpg</option>
    <option value="1241023775_0lik.jpg">1241023775_0lik.jpg</option>
    <option value="1242023196_smeschariki-3.jpg">1242023196_smeschariki-3.jpg</option>
    <option value="1243167055_bin-ka-dino1.jpg">1243167055_bin-ka-dino1.jpg</option>
    <option value="1252347046_1250343266_smeshariki.jpg">1252347046_1250343266_smeshariki.jpg</option>
    <option value="2q87ad3.jpg">2q87ad3.jpg</option>
    <option value="3.jpg">3.jpg</option>
    <option value="31679-Clipart-Illustration-Of-A-Stationery-Border-Or-Frame-O.jpg">31679-Clipart-Illustration-Of-A-Stationery-Border-Or-Frame-O.jpg</option>
    <option value="50045.jpg">50045.jpg</option>
    <option value="5188c28d7163.jpg">5188c28d7163.jpg</option>
    <option value="5412016805ec.jpg">5412016805ec.jpg</option>
    <option value="79458cb86457t.jpg">79458cb86457t.jpg</option>
    <option value="9c5c5e06a99f.jpg">9c5c5e06a99f.jpg</option>
    <option value="amiguinhos.jpg">amiguinhos.jpg</option>
    <option value="BORDA_2.JPG">BORDA_2.JPG</option>
    <option value="c47694fd86dct.jpg">c47694fd86dct.jpg</option>
    <option value="Carrosfilme.jpg">Carrosfilme.jpg</option>
    <option value="f5edcb56e532.jpg">f5edcb56e532.jpg</option>
    <option value="FRAlphabet-1.jpg">FRAlphabet-1.jpg</option>
    <option value="fREDfLINTSTONE.jpg">fREDfLINTSTONE.jpg</option>
    <option value="grilo_alegre_moldura.png">grilo_alegre_moldura.png</option>
    <option value="huntingbutterflies.jpg">huntingbutterflies.jpg</option>
    <option value="Infantile3.jpg">Infantile3.jpg</option>
    <option value="Minhaabelhinhamoldura.jpg">Minhaabelhinhamoldura.jpg</option>
    <option value="moldura-1426135-4393.png">moldura-1426135-4393.png</option>
    <option value="Moldurasinfantismix1.jpg">Moldurasinfantismix1.jpg</option>
    <option value="Moldurasinfantismix11.jpg">Moldurasinfantismix11.jpg</option>
    <option value="Moldurasinfantismix18.jpg">Moldurasinfantismix18.jpg</option>
    <option value="Moldurasinfantismix19.jpg">Moldurasinfantismix19.jpg</option>
    <option value="Moldurasinfantismix22.jpg">Moldurasinfantismix22.jpg</option>
    <option value="Moldurasinfantismix25.jpg">Moldurasinfantismix25.jpg</option>
    <option value="Moldurasinfantismix3.jpg">Moldurasinfantismix3.jpg</option>
    <option value="Moldurasinfantismix30.jpg">Moldurasinfantismix30.jpg</option>
    <option value="Moldurasinfantismix31.jpg">Moldurasinfantismix31.jpg</option>
    <option value="Moldurasinfantismix34.jpg">Moldurasinfantismix34.jpg</option>
    <option value="Moldurasinfantismix8.jpg">Moldurasinfantismix8.jpg</option>
    <option value="Moldurasinfantismix9.jpg">Moldurasinfantismix9.jpg</option>
    <option value="MOLDURAS_INFANTIS__15_.png">MOLDURAS_INFANTIS__15_.png</option>
    <option value="MOLDURAS_INFANTIS__17_.png">MOLDURAS_INFANTIS__17_.png</option>
    <option value="MOLDURAS_INFANTIS__18_.png">MOLDURAS_INFANTIS__18_.png</option>
    <option value="MOLDURAS_INFANTIS__19_.png">MOLDURAS_INFANTIS__19_.png</option>
    <option value="MOLDURAS_INFANTIS__25_.png">MOLDURAS_INFANTIS__25_.png</option>
    <option value="MOLDURAS_INFANTIS__28_.png">MOLDURAS_INFANTIS__28_.png</option>
    <option value="MOLDURAS_INFANTIS__31_.png">MOLDURAS_INFANTIS__31_.png</option>
    <option value="MOLDURAS_INFANTIS__36_.png">MOLDURAS_INFANTIS__36_.png</option>
    <option value="notepadflowerannie.jpg">notepadflowerannie.jpg</option>
    <option value="Personagensinfantisfamosos171.jpg">Personagensinfantisfamosos171.jpg</option>
    <option value="Pivetes.jpg">Pivetes.jpg</option>
    <option value="ramka33.jpg">ramka33.jpg</option>
    <option value="Sapo_Frog_Moldura.png">Sapo_Frog_Moldura.png</option>
    <option value="Ursonocarrinho.jpg">Ursonocarrinho.jpg</option>
</select></p>
  
    <p align="center">الرجاء قم بكتابة رسالتك</p>
    <p align="center">&nbsp;</p>
    <div id="wysiwyg_cp" style="padding:8px; width:397px; height:64px">
<p align="center">
<input NAME="B" type="button" onClick="BLODA()" value="B" style="border:3px double #008000; padding-left: 3px; padding-right: 1px; font-weight:700"/>
<input NAME="U" type="button" onClick="LINETE()" value="U" style="border:3px double #008000; padding-left: 3px; padding-right: 1px; font-weight:700"/>
<input NAME="I" type="button" onClick="iItalic()" value="I" style="border:3px double #008000; padding-left: 3px; padding-right: 1px; font-weight:700"/>

    <font size="6">
    
    <select size="1" name="font_size" id="select_font_size" class="select_font_size" onchange="iFontSize(this.value)">
    <option value="1" class="fontsizes1">1</option>
    <option value="2" class="fontsizes2">2</option>
    <option value="3" class="fontsizes3">3</option>
    <option value="4" class="fontsizes4">4</option>
    <option value="5" class="fontsizes5">5</option>
    <option value="6" class="fontsizes6">6</option>
    <option value="7" class="fontsizes7">7</option>
    </select></font>&nbsp;
<select onchange="iForeColor(this.value)" style="background:black" id="select_color">
<option value="black" class="BLACKs">  </option>
<option value="red" class="reds"></option>
<option value="green" class="greens" ></option>
<option value="AQUA" class="AQUAs" ></option>
<option value="BROWN" class="BROWNs" ></option>
<option value="CHARTREUSE" class="CHARTREUSEs" ></option>
<option value="FUCHSIA" class="FUCHSIAs" ></option>
<option value="LIME" class="LIMEs" ></option>
<option value="NAVY" class="NAVYs" ></option>
<option value="OLIVE" class="OLIVEs" ></option>
<option value="ORANGE" class="ORANGEs" ></option>
<option value="SILVER" class="SILVERs" ></option>
<option value="TEAL" class="TEALs" ></option>
<option value="VIOLET" class="VIOLETs" ></option>
<option value="YELLOW" class="YELLOWs" ></option>
</select>
    <input type="button" value="RIGHT" onClick="right()" name="RIGHT" style="border:3px double #008000; padding-left: 3px; padding-right: 1px; font-weight:700"><input type="button" value="CENTER" onClick="center()" name="CENTER" style="border:3px double #008000; padding-left: 3px; padding-right: 1px; font-weight:700"><input type="button" value="LEFT" onClick="left()" name="LEFT" style="border:3px double #008000; padding-left: 3px; padding-right: 1px; font-weight:700">

</p>

<p><table class="smilles" >
<!-- hear smili --></table>


</div>
    <p align="center">
<!-- Hide(but keep)your normal textarea and place in the iFrame replacement for it -->
<div id="MainContent_res"><iframe name="richTextField" id="richTextField" style="background-image: url(card/Moldurasinfantismix30.jpg); border:1px solid #000000; width:320px ; height:226px"></iframe></div><!-- End replacing your normal textarea -->
<p> هل تريد ارسال البطاقة الى صديقك<input name="ctl00$MainContent$sendy" type="checkbox" id="MainContent_sendy" value="0" /></p>
<p>الرجاء قم بادخل بريد صديقك هنا اتركه فارغ اذا لم تعلم <input name="ctl00$MainContent$frindemail" type="text" id="MainContent_frindemail" /></p>
<p>الرجاء قم بادخل بريد الالكتروني الخاص بك هنا اتركه فارغ اذا لم تعلم <input name="ctl00$MainContent$youremail" type="text" id="MainContent_youremail" /></p>
<p> هل تريد ارسال البطاقة الى صديقك من بريدك الجيميل الخاص بك<input name="ctl00$MainContent$fromyou" type="checkbox" id="MainContent_fromyou" value="0" /></p>
<p>الرجاء ادخل كلمت مرور البريد الالكتروني الخاص بك <input name="ctl00$MainContent$password" type="password" id="MainContent_password" /></p>
<p><input type="button" title="انقر هنا قبل الارسال لتطبيق الاعداد" value="معالجة البطاقة" onclick="submit_forms()" /></p>
<input name="ctl00$MainContent$B1" type="submit" id="MainContent_B1" value="إرسال" />
<br />&nbsp;</p>
<p></p>

<p align="center">&nbsp;</p>
<p align="center">&nbsp;</div>
    <p align="center">
    
    <textarea name="ctl00$MainContent$visitor_text" id="MainContent_visitor_text" style="display:none;" cols="13" rows="1"></textarea>
    
    </p>
</form>

جربت اعمله MainContent_fullname
في الكودvar post = Request.Form["MainContent_fullname"];

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