percentage code in c# for calculator:

Question

i got error found in percentage so pls solve my errori have great hope on u. i placed here my totally code for explain u.' so please refer my code & get help for me found percentage in this calculator. default.aspx                                                       using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; public partial class Calcy : System.Web.UI.Page { int a; //int result; //int value1; //int percentage; int count; int totalcount; decimal val1; decimal val2; protected void Page_Load(object sender EventArgs e) { } protected void btnBack_Click(object sender EventArgs e) { int d; d = txtAns.Text.Length; txtAns.Text = txtAns.Text.Remove(d - 1 1); TextBox2.Text = TextBox2.Text.Remove(d - 1 1); } protected void btnClear_Click(object sender EventArgs e) { txtAns.Text = ; TextBox2.Text = ; } protected void btnCE_Click(object sender EventArgs e) { txtAns.Text = txtAns.Text + ; txtAns.Text = ; TextBox2.Text = ; } protected void btn7_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn7.Text; TextBox2.Text += txtAns.Text; } protected void btn8_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn8.Text; TextBox2.Text += txtAns.Text; } protected void btn9_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn9.Text; TextBox2.Text += txtAns.Text; } protected void btn4_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn4.Text; TextBox2.Text += txtAns.Text; } protected void btn5_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn5.Text; TextBox2.Text += txtAns.Text; } protected void btn6_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn6.Text; TextBox2.Text += txtAns.Text; } protected void btn1_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn1.Text; TextBox2.Text += txtAns.Text; } protected void btn2_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn2.Text; TextBox2.Text += txtAns.Text; } protected void btn3_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn3.Text; TextBox2.Text += txtAns.Text; } protected void btn0_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn0.Text; TextBox2.Text += txtAns.Text; } protected void btnDot_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btnDot.Text; TextBox2.Text += txtAns.Text; } protected void btnEqual_Click(object sender EventArgs e) { string str = txtAns.Text; object obj; DataTable dt = new DataTable(); obj = dt.Compute(str null); txtAns.Text = obj.ToString(); TextBox2.Text = ; } protected void btnAdd_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnAdd.Text; TextBox2.Text = ; } protected void btnSub_Click(object sender EventArgs e) { a = 0; txtAns.Text = TextBox2.Text + btnSub.Text; TextBox2.Text = ; } protected void btnMul_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnMul.Text; //TextBox2.Text = ; } protected void btnDiv_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnDiv.Text; TextBox2.Text = ; } protected void btnPlusMinus_Click(object sender EventArgs e) { a = 0; decimal currVal = decimal.Parse(txtAns.Text); currVal = -currVal; txtAns.Text = currVal.ToString(); TextBox2.Text = ; } protected void btn1byx_Click(object sender EventArgs e) { a = 0; decimal value = decimal.Parse(txtAns.Text); value = 1 / value; txtAns.Text = value.ToString(); TextBox2.Text = ; } protected void btnSqrt_Click(object sender EventArgs e) { a = 0; txtAns.Text = Math.Sqrt(Convert.ToDouble(txtAns.Text)).ToString(); TextBox2.Text = ; } protected void btnPercentage_Click(object sender EventArgs e) { //double percentage = (double.Parse(txtAns.Text) * double.Parse(txtAns.Text)) / 100; //txtAns.Text = percentage.ToString(); //a = 0; //value = Convert.ToInt32(txtAns.Text); //result = Convert.ToInt32(value * value); //txtAns.Text = result.ToString(); //display = double.Parse(TextBox2.Text); //decimal value1 = decimal.Parse(txtAns.Text); //txtAns.Text = (value * display).ToString(); ////txtAns.Text = value.ToString(); ////txtAns.Text = value1.ToString(); //a = 0; //percentage = (Convert.ToInt32(txtAns.Text) * Convert.ToInt32(txtAns.Text)).ToString(); //a = 0; //double value = double.Parse(txtAns.Text); //double percentage = 0.01; //double comission = value * percentage; //txtAns.Text = comission.ToString(); //TextBox2.Text = ; //Double a = no1; //Double b = no2; //Double percentage = (a * b / 100); //// to output the result //txtAns.Text = percentage.ToString().Trim(); // txtAns.Text = (value1 * percentage / 100).ToString(); //var result = (percentage / 100) * value1; //txtAns.Text = result.ToString(); //if (a == 0) //{ // TextBox2.Text = ; // a = 1; //} // txtAns.Text = ((percentage * .01) * value1).ToString(); //count = ((count * 100) / totalcount); //txtAns.Text = count.ToString().Trim(); //if (txtAns.Text != string.Empty) //{ // double chk = Convert.ToDouble(1) / Convert.ToDouble(txtAns.Text); // txtAns.Text = chk.ToString(); //} txtAns.Text = Convert.ToString(Convert.ToInt32(val1) * Convert.ToInt32(val2) / 100); } }using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; public partial class Calcy : System.Web.UI.Page { int a; //int result; //int value1; //int percentage; int count; int totalcount; decimal val1; decimal val2; protected void Page_Load(object sender EventArgs e) { } protected void btnBack_Click(object sender EventArgs e) { int d; d = txtAns.Text.Length; txtAns.Text = txtAns.Text.Remove(d - 1 1); TextBox2.Text = TextBox2.Text.Remove(d - 1 1); } protected void btnClear_Click(object sender EventArgs e) { txtAns.Text = ; TextBox2.Text = ; } protected void btnCE_Click(object sender EventArgs e) { txtAns.Text = txtAns.Text + ; txtAns.Text = ; TextBox2.Text = ; } protected void btn7_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn7.Text; TextBox2.Text += txtAns.Text; } protected void btn8_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn8.Text; TextBox2.Text += txtAns.Text; } protected void btn9_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn9.Text; TextBox2.Text += txtAns.Text; } protected void btn4_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn4.Text; TextBox2.Text += txtAns.Text; } protected void btn5_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn5.Text; TextBox2.Text += txtAns.Text; } protected void btn6_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn6.Text; TextBox2.Text += txtAns.Text; } protected void btn1_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn1.Text; TextBox2.Text += txtAns.Text; } protected void btn2_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn2.Text; TextBox2.Text += txtAns.Text; } protected void btn3_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn3.Text; TextBox2.Text += txtAns.Text; } protected void btn0_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn0.Text; TextBox2.Text += txtAns.Text; } protected void btnDot_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btnDot.Text; TextBox2.Text += txtAns.Text; } protected void btnEqual_Click(object sender EventArgs e) { string str = txtAns.Text; object obj; DataTable dt = new DataTable(); obj = dt.Compute(str null); txtAns.Text = obj.ToString(); TextBox2.Text = ; } protected void btnAdd_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnAdd.Text; TextBox2.Text = ; } protected void btnSub_Click(object sender EventArgs e) { a = 0; txtAns.Text = TextBox2.Text + btnSub.Text; TextBox2.Text = ; } protected void btnMul_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnMul.Text; //TextBox2.Text = ; } protected void btnDiv_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnDiv.Text; TextBox2.Text = ; } protected void btnPlusMinus_Click(object sender EventArgs e) { a = 0; decimal currVal = decimal.Parse(txtAns.Text); currVal = -currVal; txtAns.Text = currVal.ToString(); TextBox2.Text = ; } protected void btn1byx_Click(object sender EventArgs e) { a = 0; decimal value = decimal.Parse(txtAns.Text); value = 1 / value; txtAns.Text = value.ToString(); TextBox2.Text = ; } protected void btnSqrt_Click(object sender EventArgs e) { a = 0; txtAns.Text = Math.Sqrt(Convert.ToDouble(txtAns.Text)).ToString(); TextBox2.Text = ; } protected void btnPercentage_Click(object sender EventArgs e) { //double percentage = (double.Parse(txtAns.Text) * double.Parse(txtAns.Text)) / 100; //txtAns.Text = percentage.ToString(); //a = 0; //value = Convert.ToInt32(txtAns.Text); //result = Convert.ToInt32(value * value); //txtAns.Text = result.ToString(); //display = double.Parse(TextBox2.Text); //decimal value1 = decimal.Parse(txtAns.Text); //txtAns.Text = (value * display).ToString(); ////txtAns.Text = value.ToString(); ////txtAns.Text = value1.ToString(); //a = 0; //percentage = (Convert.ToInt32(txtAns.Text) * Convert.ToInt32(txtAns.Text)).ToString(); //a = 0; //double value = double.Parse(txtAns.Text); //double percentage = 0.01; //double comission = value * percentage; //txtAns.Text = comission.ToString(); //TextBox2.Text = ; //Double a = no1; //Double b = no2; //Double percentage = (a * b / 100); //// to output the result //txtAns.Text = percentage.ToString().Trim(); // txtAns.Text = (value1 * percentage / 100).ToString(); //var result = (percentage / 100) * value1; //txtAns.Text = result.ToString(); //if (a == 0) //{ // TextBox2.Text = ; // a = 1; //} // txtAns.Text = ((percentage * .01) * value1).ToString(); //count = ((count * 100) / totalcount); //txtAns.Text = count.ToString().Trim(); //if (txtAns.Text != string.Empty) //{ // double chk = Convert.ToDouble(1) / Convert.ToDouble(txtAns.Text); // txtAns.Text = chk.ToString(); //} txtAns.Text = Convert.ToString(Convert.ToInt32(val1) * Convert.ToInt32(val2) / 100); } default.aspx.cs }using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; public partial class Calcy : System.Web.UI.Page { int a; //int result; //int value1; //int percentage; int count; int totalcount; decimal val1; decimal val2; protected void Page_Load(object sender EventArgs e) { } protected void btnBack_Click(object sender EventArgs e) { int d; d = txtAns.Text.Length; txtAns.Text = txtAns.Text.Remove(d - 1 1); TextBox2.Text = TextBox2.Text.Remove(d - 1 1); } protected void btnClear_Click(object sender EventArgs e) { txtAns.Text = ; TextBox2.Text = ; } protected void btnCE_Click(object sender EventArgs e) { txtAns.Text = txtAns.Text + ; txtAns.Text = ; TextBox2.Text = ; } protected void btn7_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn7.Text; TextBox2.Text += txtAns.Text; } protected void btn8_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn8.Text; TextBox2.Text += txtAns.Text; } protected void btn9_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn9.Text; TextBox2.Text += txtAns.Text; } protected void btn4_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn4.Text; TextBox2.Text += txtAns.Text; } protected void btn5_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn5.Text; TextBox2.Text += txtAns.Text; } protected void btn6_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn6.Text; TextBox2.Text += txtAns.Text; } protected void btn1_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn1.Text; TextBox2.Text += txtAns.Text; } protected void btn2_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn2.Text; TextBox2.Text += txtAns.Text; } protected void btn3_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn3.Text; TextBox2.Text += txtAns.Text; } protected void btn0_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btn0.Text; TextBox2.Text += txtAns.Text; } protected void btnDot_Click(object sender EventArgs e) { if (a == 0) { TextBox2.Text = ; a = 1; } txtAns.Text = txtAns.Text + btnDot.Text; TextBox2.Text += txtAns.Text; } protected void btnEqual_Click(object sender EventArgs e) { string str = txtAns.Text; object obj; DataTable dt = new DataTable(); obj = dt.Compute(str null); txtAns.Text = obj.ToString(); TextBox2.Text = ; } protected void btnAdd_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnAdd.Text; TextBox2.Text = ; } protected void btnSub_Click(object sender EventArgs e) { a = 0; txtAns.Text = TextBox2.Text + btnSub.Text; TextBox2.Text = ; } protected void btnMul_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnMul.Text; //TextBox2.Text = ; } protected void btnDiv_Click(object sender EventArgs e) { a = 0; txtAns.Text = txtAns.Text + btnDiv.Text; TextBox2.Text = ; } protected void btnPlusMinus_Click(object sender EventArgs e) { a = 0; decimal currVal = decimal.Parse(txtAns.Text); currVal = -currVal; txtAns.Text = currVal.ToString(); TextBox2.Text = ; } protected void btn1byx_Click(object sender EventArgs e) { a = 0; decimal value = decimal.Parse(txtAns.Text); value = 1 / value; txtAns.Text = value.ToString(); TextBox2.Text = ; } protected void btnSqrt_Click(object sender EventArgs e) { a = 0; txtAns.Text = Math.Sqrt(Convert.ToDouble(txtAns.Text)).ToString(); TextBox2.Text = ; } protected void btnPercentage_Click(object sender EventArgs e) { //double percentage = (double.Parse(txtAns.Text) * double.Parse(txtAns.Text)) / 100; //txtAns.Text = percentage.ToString(); //a = 0; //value = Convert.ToInt32(txtAns.Text); //result = Convert.ToInt32(value * value); //txtAns.Text = result.ToString(); //display = double.Parse(TextBox2.Text); //decimal value1 = decimal.Parse(txtAns.Text); //txtAns.Text = (value * display).ToString(); ////txtAns.Text = value.ToString(); ////txtAns.Text = value1.ToString(); //a = 0; //percentage = (Convert.ToInt32(txtAns.Text) * Convert.ToInt32(txtAns.Text)).ToString(); //a = 0; //double value = double.Parse(txtAns.Text); //double percentage = 0.01; //double comission = value * percentage; //txtAns.Text = comission.ToString(); //TextBox2.Text = ; //Double a = no1; //Double b = no2; //Double percentage = (a * b / 100); //// to output the result //txtAns.Text = percentage.ToString().Trim(); // txtAns.Text = (value1 * percentage / 100).ToString(); //var result = (percentage / 100) * value1; //txtAns.Text = result.ToString(); //if (a == 0) //{ // TextBox2.Text = ; // a = 1; //} // txtAns.Text = ((percentage * .01) * value1).ToString(); //count = ((count * 100) / totalcount); //txtAns.Text = count.ToString().Trim(); //if (txtAns.Text != string.Empty) //{ // double chk = Convert.ToDouble(1) / Convert.ToDouble(txtAns.Text); // txtAns.Text = chk.ToString(); //} txtAns.Text = Convert.ToString(Convert.ToInt32(val1) * Convert.ToInt32(val2) / 100); } }

Sujeet Suman · Answer

Nayak this is not easy to scan this much code without any error clue. So please share what exactly error you are getting.

Afzaal Ahmad Zeeshan · Answer

I am sorry English please? :-)

nayak army · Answer

ala bhaicalculetor no code aakho to aapyoaema khali percentage je nai nekaltaaevu amara maulik bhai ne kevu cheso tu hamaj.

Afzaal Ahmad Zeeshan · Answer

But what exactly is the problem that you are facing? Can you at least share the excerpt for the problem? It would help us in solving the problem you have.