DataSource Controls :: Convert String To SQL Data Type?

Feb 22, 2010

how would one go about converting a string to an SQL time data type? Lets say i wanted to convert @param1 to SQL time and @param2 to SQL date.


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Similar Messages:

DataSource Controls :: Error - Cannot Implicitly Convert Type 'string' To 'System.Data.DbType

Apr 27, 2010

I am getting error "Cannot implicitly convert type 'string' to 'System.Data.DbType".

When I am passing Stored procedure parameter it expets 'System.Data.DbType" and the Data member is declared as a string.

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DataSource Controls :: Error - Cannot Implicitly Convert Type 'string' To 'System.Web.UI.WebControls.TextBox

Feb 19, 2010

I added a button click event to my project as:

But since this i am getting this error saying:

Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.TextBox

There seems to be no error in my code.

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DataSource Controls :: The Given Value Of Type String From The Data Source Cannot Be Converted To Type Datetime

May 19, 2010

I have this error "The given value of type String from the data source cannot be converted to type datetime of the specified target column." when I used sqlbulkcopy to do the transaction

Here is my code:


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Forms Data Controls :: ClientIDRowIDSuffix - Assigning Value - Can't Convert Type String

Nov 30, 2010

I've been successful in creating GridView controls programically using c#. I'd like to take advantage of using the clientmode=predicatable but I can't resolve setting the ClientIDRowSuffix value. Below is a code snippet:

public void GenerateView(int fileno, string GridType, GridView dataView)
object ctrl = FindControl("pnlForm");
System.Web.UI.WebControls.Panel ctrlPanel = (System.Web.UI.WebControls.Panel)ctrl;
dataView.Width = 640;
dataView.ForeColor = System.Drawing.Color.Black;
dataView.BackColor = System.Drawing.Color.Beige;
dataView.AutoGenerateColumns = false;
dataView.Caption = "<B> indicate your selection by typing Add of Delete in the Action box below</B>";
//Resulted in the following error
// Cannot implicitly convert type 'string' to 'string[]
// dataView.ClientIDRowSuffix = "CTR_SEQ";
// I also tried casting it
// CS0030: Cannot convert type 'string' to 'string[]'...........................................

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DataSource Controls :: 'Conversion From Type 'DBNull' To Type 'String' Is Not Valid.'

Feb 17, 2010

I'm trying to get a value from a database and I'm getting an error, see code below:


I get and error when I'm trying to convert the value out of the stored procedure to the string SNAME. Error is as follows:

'Conversion from type 'DBNull' to type 'String' is not valid.'

and the stored procedure is as follows:


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SQL Server :: How To Convert String Data Type To Smalldatetime Field In

Feb 22, 2011

How To convert String Data Type to Smalldatetime field in








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DataSource Controls :: Convert C# Datatype To Database Type?

Jan 22, 2010

I have been looking for a way to convert C# datatype into database specific type of MS SQL. For example when I do [Code]....

I would get System.GUID or something like that but what I want is UniqueIdentifier instead of System.GUID. In most cases, I would also want the length of the type like varchar(1000) and stuff like that. Is there anyway I could convert or get similiar result ?

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DataSource Controls :: Unable To Cast Object Of Type 'System.DBNull' To Type 'System.String'

May 28, 2010

I am trying to write a table output from SQL database to a gridview/ Data List through an Object Data Source. I am a new starter and your help will be useful.

public List<Staff> GetStaff()
cmd.CommandType =
SqlConnection con =
SqlConnection(connectionstring);SqlCommand cmd =

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C# - Error - "Cannot Convert Lambda Expression To Type 'string' Because It Is Not A Delegate Type"

Jun 12, 2010

I get this error: "Cannot convert lambda expression to type 'string' because it is not a delegate type" - keyword select become underlined in blue.


Above code should displays drop list of employees first name and last name in a combo box

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DataSource Controls :: Error 18 Cannot Convert Method Group 'ToList' To Non-delegate Type

Feb 17, 2010

I am getting an error on the return saying

Error 18 Cannot convert method group 'ToList' to non-delegate type System.Collections.Generic.List<string>'. Did you intend to invoke the method?

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DataSource Controls :: Entity SQL Error - 'CONVERT' Can't Be Resolved Into Valid Type Or Function

May 19, 2010

I have a SQL which is running good at SQL Server Mgm studio:

"select d.EmployeeID, CONVERT(VARCHAR(10),d.LogTime,111) as Date1, MIN(CONVERT(VARCHAR(8), d.LogTime, 108)) as FirstIn
from LogTable d where d.dwStatus=0 group by d.EmployeeID, CONVERT(VARCHAR(10), d.LogTime,111)"

However, When i put it into my code (Entity SQL):

"select d.EmployeeID, CONVERT(VARCHAR(10),d.LogTime,111) as Date1, MIN(CONVERT(VARCHAR(8), d.LogTime, 108)) as FirstIn
from IGPSiteEntities.AccessLogSet AS d where d.dwStatus=0 group by d.EmployeeID, CONVERT(VARCHAR(10), d.LogTime,111)"

I got error :

'CONVERT' cannot be resolved into a valid type of function. Near simple identifier, line1, column 200.

LogTime is a DateTime format e.g 05/05/2010 14:12:12

I want to select ONLY the Date (e.g 05/05/2010) and select ONLY the time (e.g 14:12:12) so i use CONVERT function.

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Convert Date In String Type?

Feb 11, 2010

string 'dd/mm/yyyy' convert to 'yyyy-mm-dd'

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Cannot Implicitly Convert Type 'int' To 'string'

Apr 2, 2010

objCompanyRequirement.Salary = Convert.ToInt32 (txtCRF_Salary.Text);

cannot implicitly convert type 'int' to 'string'

objCompanyRequirement.InterviewDate = Convert.ToDateTime(txtCRF_InterviewDate.Text);

cannot implicitly convert type 'System.DateTime' to 'string'

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DataSource Controls :: Convert Sql Datetime To String

Feb 16, 2010

Datecol is a datetime in a sql table.

q="select convert(char(8),datecol1,112) from tblone where datecol2 is null"

is what I use for my query string for sqlcommand(). I'm getting the error "a field or property datecol1 could not be found in the datasource". Without the convert, the query is ok.

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DataSource Controls :: Convert Records Into One String?

Jun 10, 2010

Convert records into one string

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DataSource Controls :: Convert String To Datetime?

May 19, 2010



And then when I save....cs


And Stored Procedure is like this


the problem is when I use debugging mode, I mean using with visual studio, it's going fine. But when I call from IIS there has a error.. Unterminated string constant. I know where is the problem


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Forms Data Controls :: Conversion From Type 'TextBox' To Type 'String' Is Not Valid?

Sep 6, 2010

I have a FormView that allows a user to register for a company event. I want to do a couple of things with this form.

1. I need to write this data to a MS SQL database

2. I need to send an email confirmation of their registration to their email.

I know how to do both of these things, but i am having trouble doing both at the same time.

It would be nice if I could do it in one click, but I coded it into two pages to try to help simplify it.

The first page allows the user to input their information into a formview and when they click the submit button, it places those answers into session variables:



The Second page confirms the users information by taking those session variables and placing them into labels:



However, after I place information into the formview on the first page, it throws up this error:

"Conversion from type 'TextBox' to type 'String' is not valid".

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Failed To Convert Parameter Type To String

Mar 20, 2011

here is my code......where its throwing the error in storeimage.executenonquery() line that Failed to convert parameter type to st

if (newBmp != null)
Bitmap convBmp = AddTextToImage(newBmp, text);
Byte[] myimage=ImageToByteArray(convBmp);
//string type = myimage.GetType();
// String query = ;


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Cannot Implicitly Convert Type Void To String

Jan 29, 2011

I get the error above when tryin to call the AddTobasket method. (Cannot implicitly convert type Void to String).

Here is my code.


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ADO.NET :: Convert A String (which Contain My XML) To Clob Type In 2005?

Jan 20, 2011

I am looking to convert a String (which contain my XML) to Clob type in 2005 and call a Oracle Store Procedure which return me XML in Clob type and need Convert it back to String.

Please consider below example for better reference..

Below Method Call the Oracle Procedure with String as Input

Private Function Pricing(ByVal sXML As String, ByVal strOutputXML As String, ByVal sStatus As String, ByVal sMsg As String)

Dim objParams(3) As OracleParameter
objParams(0) = New OracleParameter("input_xml", OracleType.Clob, 100000)
objParams(0).Direction = ParameterDirection.Input
objParams(0).Value = myclob
objParams(1) = New OracleParameter("output_xml", OracleType.Clob, 100000)
objParams(1).Direction = ParameterDirection.Output
objParams(2) = New OracleParameter("status", OracleType.VarChar, 100)
objParams(2).Direction = ParameterDirection.Output
objParams(3) = New OracleParameter("msg", OracleType.VarChar, 1000)
objParams(3).Direction = ParameterDirection.Output
ExecuteDataset(objOMARConnection, CommandType.StoredProcedure, "PRICING_INT.ITEM_PRICE", objParams)

End Function

ORACLE Procedure

PROCEDURE item_price (
input_xml IN CLOB,
output_xml OUT CLOB,
status OUT VARCHAR2,

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Forms Data Controls :: ERROR - Conversion From Type DBNull To Type String Is Not Valid?

Jan 13, 2010

I have a gridview which I'm trying to get the display of phonenumbers listed in a certain display format; (xxx) xxx-xxxx.If I have the code such as this, it displays the unformatted phone number and (000) 000-0000 for the null items.


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DataSource Controls :: How To Convert String (comma Separated) To Int

Mar 1, 2010

I'm having a listbox on the front end webform with multiple selection, after user selecting multiple items, i'm capturing the DataKeyValue of listbox(which is amenity_id of bigint) and looping all the selected items to a string with comma sepearated values. For example if user selects first 4 options, my output string will be like this (1,2,3,4) and i'm passing this as a string type to my data access layer and then to my below stored proc. I'm geting this error while inserting.. i know that my data type is of bigint and i'm trying to insert string type. i need to convert the string type to INT type and insert data. below are my stored procs:


This is where i'm splitting the comma seperated values and inserting them into table.

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DataSource Controls :: How To Implicitly Convert Datatable To String

Jul 30, 2010

I'm having a problem with reading a string from sqlserver database and use it as the text of a label,

getDescTableAdapter gd = new
Label2.Text = Convert.ToString(gd.GetDesc(pid));

what i get in the form is: getDesc ! everything is right in the dataset and if i bind it to a gridview it works fine but when i convert it to string it seems it converts the table adaptor's name instead of the value.ance

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Cannot Implicitly Convert Type 'System.Exception' To 'string'

Aug 11, 2010

I want to log all errors happened in my App to sql db. I'm passing all exception properties like (ex.Message, ex.Source, ex.StackTrace, ex.TargetSite and ex.InnerException) to stored procedure.

The problem is that when I try to pass the ex.InnerException as string to stored procedure I got this error:

Cannot implicitly convert type 'System.Exception' to 'string'

I tried ex.InnerException.ToString() and Convert.ToString (ex.InnerException) but no success.

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