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how to validate a calendar control in a web page?

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0

I need to validate a calendar and that is the only input in my web page. If I gave a wrong input, it should show a pop-up alert but instead I am getting an exception.

Javascript:

<script type="text/javascript">
 function Month_Validation() 
 var date= txtSearchDate.Text;
 var month = date.substring(0, 2);
 if (month >12) 
 alert("Please enter a valid date");
 
 
</script>

C#:

string jsMethodName = "Month_Validation()";
 ScriptManager.RegisterClientScriptBlock(this, typeof(string), "uniqueKey", jsMethodName, true);

An example of the wrong input is "13/7/2019" (mm/dd/yyy) and the I am getting a System.FormatException exception at the line DataTable dt = myTmsBl.GetRoutes_MyViewRoutes(connstr, Convert.ToDateTime(txtSearchDate.Text), Session["UserId"].ToString());

javascript c#

share|improve this question

edited Mar 7 at 6:01

Dale Burrell

3,39052655

asked Mar 7 at 5:11

Vinitha GanesanVinitha Ganesan

63

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What is example o wrong input? What exception you are getting? Which line of code throws the exception?
  
  – Chetan Ranpariya
  Mar 7 at 5:30
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  the wrong input which I gave is ''13/7/2019"(mm/dd/yyy) and the I am getting 'System.FormatException' exception and I am getting exception at the line "DataTable dt = myTmsBl.GetRoutes_MyViewRoutes(connstr, Convert.ToDateTime(txtSearchDate.Text), Session["UserId"].ToString());"
  
  – Vinitha Ganesan
  Mar 7 at 5:47
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  codeproject.com/Questions/843083/… Custom validator is the way for you...
  
  – Chetan Ranpariya
  Mar 7 at 6:08
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  actually I got pop-up alert for month but I am unable to validate date. I used the below lines in aspx.cs page to validate month ' ScriptManager.RegisterStartupScript(this, this.GetType(), "PopUp", "alert('Please enter a valid date');", true); txtSearchDate.Focus();'
  
  – Vinitha Ganesan
  Mar 7 at 8:13
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There is no code you have written for date validation. Without code it won't show the error, right?
  
  – Chetan Ranpariya
  Mar 7 at 8:16
  

  
  
  
  

 | 
show 3 more comments

0

I need to validate a calendar and that is the only input in my web page. If I gave a wrong input, it should show a pop-up alert but instead I am getting an exception.

Javascript:

<script type="text/javascript">
 function Month_Validation() 
 var date= txtSearchDate.Text;
 var month = date.substring(0, 2);
 if (month >12) 
 alert("Please enter a valid date");
 
 
</script>

C#:

string jsMethodName = "Month_Validation()";
 ScriptManager.RegisterClientScriptBlock(this, typeof(string), "uniqueKey", jsMethodName, true);

An example of the wrong input is "13/7/2019" (mm/dd/yyy) and the I am getting a System.FormatException exception at the line DataTable dt = myTmsBl.GetRoutes_MyViewRoutes(connstr, Convert.ToDateTime(txtSearchDate.Text), Session["UserId"].ToString());

javascript c#

share|improve this question

edited Mar 7 at 6:01

Dale Burrell

3,39052655

asked Mar 7 at 5:11

Vinitha GanesanVinitha Ganesan

63

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What is example o wrong input? What exception you are getting? Which line of code throws the exception?
  
  – Chetan Ranpariya
  Mar 7 at 5:30
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  the wrong input which I gave is ''13/7/2019"(mm/dd/yyy) and the I am getting 'System.FormatException' exception and I am getting exception at the line "DataTable dt = myTmsBl.GetRoutes_MyViewRoutes(connstr, Convert.ToDateTime(txtSearchDate.Text), Session["UserId"].ToString());"
  
  – Vinitha Ganesan
  Mar 7 at 5:47
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  codeproject.com/Questions/843083/… Custom validator is the way for you...
  
  – Chetan Ranpariya
  Mar 7 at 6:08
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  actually I got pop-up alert for month but I am unable to validate date. I used the below lines in aspx.cs page to validate month ' ScriptManager.RegisterStartupScript(this, this.GetType(), "PopUp", "alert('Please enter a valid date');", true); txtSearchDate.Focus();'
  
  – Vinitha Ganesan
  Mar 7 at 8:13
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  There is no code you have written for date validation. Without code it won't show the error, right?
  
  – Chetan Ranpariya
  Mar 7 at 8:16
  

  
  
  
  

 | 
show 3 more comments

I need to validate a calendar and that is the only input in my web page. If I gave a wrong input, it should show a pop-up alert but instead I am getting an exception.

Javascript:

<script type="text/javascript">
 function Month_Validation() 
 var date= txtSearchDate.Text;
 var month = date.substring(0, 2);
 if (month >12) 
 alert("Please enter a valid date");
 
 
</script>

C#:

string jsMethodName = "Month_Validation()";
 ScriptManager.RegisterClientScriptBlock(this, typeof(string), "uniqueKey", jsMethodName, true);

An example of the wrong input is "13/7/2019" (mm/dd/yyy) and the I am getting a System.FormatException exception at the line DataTable dt = myTmsBl.GetRoutes_MyViewRoutes(connstr, Convert.ToDateTime(txtSearchDate.Text), Session["UserId"].ToString());

javascript c#

share|improve this question

edited Mar 7 at 6:01

Dale Burrell

3,39052655

asked Mar 7 at 5:11

Vinitha GanesanVinitha Ganesan

63

<script type="text/javascript">
 function Month_Validation() 
 var date= txtSearchDate.Text;
 var month = date.substring(0, 2);
 if (month >12) 
 alert("Please enter a valid date");
 
 
</script>

string jsMethodName = "Month_Validation()";
 ScriptManager.RegisterClientScriptBlock(this, typeof(string), "uniqueKey", jsMethodName, true);

share|improve this question

edited Mar 7 at 6:01

Dale Burrell

3,39052655

asked Mar 7 at 5:11

Vinitha GanesanVinitha Ganesan

63

share|improve this question

edited Mar 7 at 6:01

Dale Burrell

3,39052655

asked Mar 7 at 5:11

Vinitha GanesanVinitha Ganesan

63

edited Mar 7 at 6:01

Dale Burrell

3,39052655

edited Mar 7 at 6:01

Dale Burrell

3,39052655

asked Mar 7 at 5:11

Vinitha GanesanVinitha Ganesan

63

asked Mar 7 at 5:11

Vinitha GanesanVinitha Ganesan

63