c# - How do you save selected ComboBox items into a .txt file -
hi i'm new programming , trying create c# grade calculator using wpf users enter grades , remove 2 of lowest grades , tell them overall grade, have got part working save selected grade comboboxes txt file , maybe able load txt file grade calculator again.
here code have far
<window x:class="gradecalculator.mainwindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" title="grade calculator" height="779.736" width="952"> <grid> <grid.background> <lineargradientbrush endpoint="0.5,1" startpoint="0.5,0"> <gradientstop color="white" offset="1"/> <gradientstop color="#ffaef7f7"/> <gradientstop color="#ffd0fafa" offset="0.49"/> </lineargradientbrush> </grid.background> <menu verticalalignment="top" ismainmenu="true" margin="0,0,868,0"/> <label name="title" content="grade calculator" margin="366,181,366,0" verticalalignment="top" fontsize="25" horizontalalignment="center" fontweight="bold" width="212"/> <textblock name="information" horizontalalignment="center" margin="324,223,324,0" textwrapping="wrap" text="please enter grades or predicted grades drop down menus below" verticalalignment="top" width="296" fontsize="16" textalignment="center"/> <label name="mandatory" content="mandatory units" horizontalalignment="left" margin="156,273,0,0" verticalalignment="top" height="28" width="122" fontsize="14" fontweight="bold"/> <textblock name="ces" horizontalalignment="left" margin="12,306,0,0" textwrapping="wrap" verticalalignment="top" fontsize="16"><run text="communication , employability"/><linebreak/><run text="skills it"/></textblock> <textblock name="cs" horizontalalignment="left" margin="12,354,0,0" textwrapping="wrap" text="computer systems" verticalalignment="top" fontsize="16"/> <textblock name="is" horizontalalignment="left" margin="12,380,0,0" textwrapping="wrap" text="information systems" verticalalignment="top" fontsize="16"/> <textblock name="sdd" horizontalalignment="left" margin="12,406,0,0" textwrapping="wrap" text="software design , development" verticalalignment="top" fontsize="16"/> <textblock name="sad" horizontalalignment="left" margin="12,432,0,0" textwrapping="wrap" text="systems analysis , design" verticalalignment="top" fontsize="16"/> <textblock name="edp" horizontalalignment="left" margin="10,462,0,0" textwrapping="wrap" text="event driven programming" verticalalignment="top" fontsize="16"/> <combobox name="cesbox" horizontalalignment="left" margin="288,318,0,0" verticalalignment="top" width="120"> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="csbox" horizontalalignment="left" margin="288,354,0,0" verticalalignment="top" width="120"> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="isbox" horizontalalignment="left" margin="288,462,0,0" verticalalignment="top" width="120"> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="sddbox" horizontalalignment="left" margin="288,381,0,0" verticalalignment="top" width="120"> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="sadbox" horizontalalignment="left" margin="288,408,0,0" verticalalignment="top" width="120"> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="edpbox" horizontalalignment="left" margin="288,435,0,0" verticalalignment="top" width="120"> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <label name="optional" content="optional units" horizontalalignment="left" margin="644,273,0,0" verticalalignment="top" height="28" width="118" fontsize="14" fontweight="bold"/> <textblock name="mn" horizontalalignment="left" margin="480,301,0,0" textwrapping="wrap" verticalalignment="top" fontsize="16"><run text="managing network"/><run text="s"/></textblock> <textblock name="cn" horizontalalignment="left" margin="480,327,0,0" textwrapping="wrap" text="computer networks" verticalalignment="top" fontsize="16" height="22"/> <textblock name="ct" horizontalalignment="left" margin="480,354,0,0" textwrapping="wrap" text="communication technologies" verticalalignment="top" fontsize="16" height="22"/> <textblock name="itts" horizontalalignment="left" margin="480,381,0,0" textwrapping="wrap" text="it technical support" verticalalignment="top" fontsize="16" height="22"/> <textblock name="ittstr" horizontalalignment="left" margin="480,408,0,0" textwrapping="wrap" text="it systems , troubleshooting , repair" verticalalignment="top" fontsize="16" height="22"/> <textblock name="ppit" horizontalalignment="left" margin="480,435,0,0" textwrapping="wrap" text="project planning it" verticalalignment="top" fontsize="16" height="22"/> <textblock name="db" horizontalalignment="left" margin="480,462,0,0" textwrapping="wrap" text="database design" verticalalignment="top" fontsize="16" height="22"/> <textblock name="cscwp" horizontalalignment="left" margin="480,489,0,0" textwrapping="wrap" text="client side customisation of web pages" verticalalignment="top" fontsize="16" height="22"/> <textblock name="dcg" horizontalalignment="left" margin="480,516,0,0" textwrapping="wrap" text="developing computer games" verticalalignment="top" fontsize="16" height="22"/> <textblock name="wss" horizontalalignment="left" margin="480,543,0,0" textwrapping="wrap" text="web server scripting" verticalalignment="top" fontsize="16" height="22"/> <textblock name="wp" horizontalalignment="left" margin="480,570,0,0" textwrapping="wrap" text="website production" verticalalignment="top" fontsize="16" height="22"/> <textblock name="dg" horizontalalignment="left" margin="480,597,0,0" textwrapping="wrap" text="digital graphics" verticalalignment="top" fontsize="16" height="22"/> <textblock name="nss" horizontalalignment="left" margin="480,624,0,0" textwrapping="wrap" verticalalignment="top" fontsize="16" height="22"><run text="network systems secur"/><run text="i"/><run text="ty"/></textblock> <textblock name="waim" horizontalalignment="left" margin="480,651,0,0" textwrapping="wrap" verticalalignment="top" fontsize="16" height="22"><run text="web animation interactive med"/><run text="i"/><run text="a"/></textblock> <combobox name="mnbox" horizontalalignment="left" margin="798,300,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="cnbox" horizontalalignment="left" margin="798,327,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="ctbox" horizontalalignment="left" margin="798,354,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="ittsbox" horizontalalignment="left" margin="798,381,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="ittstrbox" horizontalalignment="left" margin="798,408,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="ppitbox" horizontalalignment="left" margin="798,435,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="dbbox" horizontalalignment="left" margin="798,462,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="cscwpbox" horizontalalignment="left" margin="798,489,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="dcgbox" horizontalalignment="left" margin="798,516,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="wssbox" horizontalalignment="left" margin="798,543,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="wpbox" horizontalalignment="left" margin="798,570,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="dgbox" horizontalalignment="left" margin="798,597,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="nssbox" horizontalalignment="left" margin="798,624,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <combobox name="waimbox" horizontalalignment="left" margin="798,651,0,0" verticalalignment="top" width="120"> <comboboxitem content="fail" horizontalalignment="left" width="118"/> <comboboxitem content="pass" horizontalalignment="left" width="118"/> <comboboxitem content="merit" horizontalalignment="left" width="118"/> <comboboxitem content="distinction" horizontalalignment="left" width="118"/> </combobox> <button name="subbutton" content="submit" horizontalalignment="left" margin="396,686,0,0" verticalalignment="top" click="button_click" width="130" height="38" fontsize="18"/> <image margin="324,0,298,541" source="bsdc.png" stretch="fill"/> <label name="totalgrade" content="" horizontalalignment="left" margin="104,597,0,0" verticalalignment="top" height="49" width="225" fontsize="30"/> <label name="totalscore" content="" horizontalalignment="left" margin="104,534,0,0" verticalalignment="top" height="49" width="225" fontsize="30"/> <button name="savebutton" content="save grades" horizontalalignment="left" margin="12,10,0,0" verticalalignment="top" click="savebutt_click" width="75"/> </grid> public mainwindow() { initializecomponent(); } private void button_click(object sender, routedeventargs e) { int total = 0; total += getgrade(cesbox); total += getgrade(csbox); total += getgrade(isbox); total += getgrade(sddbox); total += getgrade(sadbox); total += getgrade(edpbox); total += getgrade(mnbox); total += getgrade(cnbox); total += getgrade(ctbox); total += getgrade(ittsbox); total += getgrade(ittstrbox); total += getgrade(ppitbox); total += getgrade(dbbox); total += getgrade(cscwpbox); total += getgrade(dcgbox); total += getgrade(wssbox); total += getgrade(wpbox); total += getgrade(dgbox); total += getgrade(nssbox); total += getgrade(waimbox); total -= lowgrade1; total -= lowgrade2; if (total >= 1300 && total <= 1339) { grade = "mpp"; } if (total >= 1340 && total <= 1379) { grade = "mmp"; } if (total >= 1380 && total <= 1419) { grade = "mmm"; } if (total >= 1420 && total <= 1459) { grade = "dmm"; } if (total >= 1460 && total <= 1499) { grade = "ddm"; } if (total >= 1500 && total <= 1529) { grade = "ddd"; } if (total >= 1530 && total <= 1559) { grade = "d*dd"; } if (total >= 1560 && total <= 1589) { grade = "d*d*d"; } if (total >= 1590) { grade = "d*d*d*"; } totalscore.content = "score = " + total; totalgrade.content = "grade = " + grade; } public int getgrade(combobox cbcontent) { int score = 0; comboboxitem cbcontentselecteditem = cbcontent.selecteditem comboboxitem; if (cbcontentselecteditem != null) { if ((string)cbcontentselecteditem.content == "fail") { if (lowgrade1 > 0) { lowgrade1 = 0; } else if (lowgrade2 > 0) { lowgrade2 = 0; } score = 0; } if ((string)cbcontentselecteditem.content == "pass") { if (lowgrade1 > 70) { lowgrade1 = 70; } else if (lowgrade2 > 70) { lowgrade2 = 70; } score = 70; } if ((string)cbcontentselecteditem.content == "merit") { if (lowgrade1 > 80) { lowgrade1 = 80; } else if (lowgrade2 > 80) { lowgrade2 = 80; } score = 80; } if ((string)cbcontentselecteditem.content == "distinction") { if (lowgrade1 > 90) { lowgrade1 = 90; } else if (lowgrade2 > 90) { lowgrade2 = 90; } score = 90; } } return score; } private void savebutt_click(object sender, routedeventargs e) { } } }
if have problem accessing c:\ app have problem of permission.
try creating new folder "c:\test" , try write there. or start visual studio administrator. include filename
public partial class mainwindow : window { public mainwindow() { initializecomponent(); } private void savebutt_click(object sender, routedeventargs e) { file.writealltext("c:\\file.txt", "hello world!"); } } also check link more info
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