The issue is because you have the HTML in multiple lines and then there are double quotes "
within the HTML. You can resolve it by using @ as a string formatter for multiple lines, And changing all the double quotes inside your HTML to single quotes '
. Or for some reason if you still need to use double quotes inside your HTML then just escape its meaning by using a backslash \"
I have cleaned up the code for you. Just copy paste this into your code.
string emailBody = @"<div class='WordSection1'>
< table cellpadding = '0' cellspacing = '0' align = 'left >
< tr >
< td width = '0' height = '0' ></ td >
</ tr >
< tr >
< td width = '762' height = '1091' style = 'border:1.0pt solid goldenrod;vertical-align:top' >
< spanz - index:251658240'>
< table width = '90%;' style = 'margin:1em;' >
< tr >
< td >
< div class='shape'>
<div><img src = 'cid:imageId' height='50px' style='padding-right:1em; float:right;'></div><p><o:p> </o:p></p>
<p style = 'font-family:Calibri' >< tr >< td width='50%'><img alt = '' hspace='0' src='' align='baseline' border='0'>
Dear Call Centre,
</p>
<p><o:p> </o:p></p>
<p style = 'font-family:Calibri' >< tr >< td width='50%'>
This communication serves to notify you that the below claim has been registered on the system:
</p>
<p><o:p> </o:p></p>
<p><b>Date Submitted</b> : txtDate, 2016</p>
<p><b>Insurer</b> : txtMac<span style='mso-spacerun:yes'>
</span></p>
<p><o:p> </o:p></p>
<p style = 'background:lightsteelblue; width:60%' >< b >
< span style='font-size:12.0pt;color:#b8860b;font-family:' Cambria?,?serif?;?=''>Claim Information</span></b>
</p>
<table class='MsoNormalTable' border='0' cellspacing='0' cellpadding='0' style='border-collapse:collapse;mso-padding-alt:0in 0in 0in 0in'>
<tr style = 'mso-yfti-irow:0;mso-yfti-firstrow:yes;page-break-inside:avoid' >
< td width='189' valign='top' style='width:141.75pt;padding:0in 3.4pt 0in 3.4pt'>
<p><span class='SpellE'>PNumber</span></p>
</td>
<td width = '378' valign='top' style='width:283.45pt;padding:0in 3.4pt 0in 3.4pt'>
<p>txtNumber</p>
</td>
</tr>
<tr style = 'mso-yfti-irow:2;page-break-inside:avoid' >
< td width='189' valign='top' style='width:141.75pt;padding:0in 3.4pt 0in 3.4pt'>
<p>Name</p>
</td>
<td width = '378' valign='top' style='width:283.45pt;padding:0in 3.4pt 0in 3.4pt'>
<p>txtName</p>
</td>
</tr>
<tr style = 'mso-yfti-irow:3;page-break-inside:avoid' >
< td width='189' valign='top' style='width:141.75pt;padding:0in 3.4pt 0in 3.4pt'>
<p>Broker Email Address</p>
</td>
<td width = '378' valign='top' style='width:283.45pt;padding:0in 3.4pt 0in 3.4pt'>
<p>txtEmail</p>
</td>
</tr>
<tr style = 'mso-yfti-irow:4;page-break-inside:avoid' >
< td width='189' valign='top' style='width:141.75pt;padding:0in 3.4pt 0in 3.4pt'>
<p>Tel</p>
</td>
<td width = '378' valign='top' style='width:283.45pt;padding:0in 3.4pt 0in 3.4pt'>
<p>txtTel</p>
</td>
</tr>
<tr style = 'mso-yfti-irow:8;page-break-inside:avoid' >
< td width='189' valign='top' style='width:141.75pt;padding:0in 3.4pt 0in 3.4pt'>
<p>Incident Date</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > txtInceptiodate </ p >
</ td >
</ tr >
< tr style= 'mso-yfti-irow:9;mso-yfti-lastrow:yes;page-break-inside:avoid' >
< td width= '189' valign= 'top' style= 'width:141.75pt;padding:0in 3.4pt 0in 3.4pt' >
< p > Range </ p >
</ td >
< td width= '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > txtRange </ p >
</ td >
</ tr >
</ table >
< p >< o:p> </o:p></p>
<p style = 'background:lightsteelblue; width:60%' >< b >< span style='font-size:
12.0pt;color:#b8860b;font-family:' Cambria?,?serif?;?=''>The
Insured<o:p></o:p></span></b></p>
<table class='MsoNormalTable' border='0' cellspacing='0' cellpadding='0' style='border-collapse:collapse;mso-padding-alt:0in 0in 0in 0in'>
<tr style = 'mso-yfti-irow:0;mso-yfti-firstrow:yes;page-break-inside:avoid' >
< td width='189' valign='top' style='width:141.75pt;padding:0in 3.4pt 0in 3.4pt'>
<p>Insured Name</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > NOC N DROP</p>
</td>
</tr>
<tr style = 'mso-yfti-irow:1;page-break-inside:avoid' >
< td width= '189' valign= 'top' style= 'width:141.75pt;padding:0in 3.4pt 0in 3.4pt' >
< p > Contact Person</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p >< span class='SpellE'>N</span></p>
</td>
</tr>
<tr style = 'mso-yfti-irow:2;page-break-inside:avoid' >
< td width='189' valign='top' style='width:141.75pt;padding:0in 3.4pt 0in 3.4pt'>
<p>Identity Number</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > 0 </ p >
</ td >
</ tr >
< tr style= 'mso-yfti-irow:3;page-break-inside:avoid' >
< td width= '189' valign= 'top' style= 'width:141.75pt;padding:0in 3.4pt 0in 3.4pt' >
< p > Suburb </ p >
</ td >
< td width= '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > George, George, Western Cape</p>
</td>
</tr>
<tr style = 'mso-yfti-irow:4;page-break-inside:avoid' >
< td width= '189' valign= 'top' style= 'width:141.75pt;padding:0in 3.4pt 0in 3.4pt' >
< p >< span class='SpellE'>Fitment</span> Branch</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > Wise Cracks</p>
</td>
</tr>
<tr style = 'mso-yfti-irow:5;page-break-inside:avoid' >
< td width= '189' valign= 'top' style= 'width:141.75pt;padding:0in 3.4pt 0in 3.4pt' >
< p > Cellphone Numbers</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > 0413740740 </ p >
</ td >
</ tr >
< tr style= 'mso-yfti-irow:6;page-break-inside:avoid' >
< td width= '189' valign= 'top' style= 'width:141.75pt;padding:0in 3.4pt 0in 3.4pt' >
< p > Business Number</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > 0413740740 </ p >
</ td >
</ tr >
< tr style= 'mso-yfti-irow:7;mso-yfti-lastrow:yes;page-break-inside:avoid' >
< td width= '189' valign= 'top' style= 'width:141.75pt;padding:0in 3.4pt 0in 3.4pt' >
< p > Home Number</p>
</td>
<td width = '378' valign= 'top' style= 'width:283.45pt;padding:0in 3.4pt 0in 3.4pt' >
< p > 0448751000 </ p >
</ td >
</ tr >
</ table >
</ table >
</ div > '";