Web Forms :: Unable To Get Value From The Textbox?
Dec 3, 2010
I want to get the value of the textbox on code behind. The textbox value is changed by using some javascript stuff. For disabling enter text into the textbox i use Readonly=true or another is Enabled=false. The javascript change the value properly. suppose the javascript set the texbox content is 123. When submit the button i am unale to get the value.
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Similar Messages:
Feb 4, 2010
I have been trying to achieve the following:
1-Allow the user to change the quantity in a textbox i.e // "txtQuantity"
2-capture the newly entered quantity i.e //int integerNewQuantity= int.Parse(textNewQuantity.Text);
3-update the database using the newly entered quantity i.e. //UpdateItem(data,integerNewQuantity)
Problem:1-I have not been able to capture the text i.e. the newly entered quantity i.e. the value entered in the text box "txtQuantity"
2-Hence the database is updated using the existing value and NOT the new value unless I make a constant assignment as below:
textNewQuantity.Text = "2"; When tested the assignment of any number correctly updates the database. see the c# code:
C# code: Version.1
protected void btnUpdate_Click(object sender, EventArgs e)
{
txtItemDescription.Text = txtItemDescription.Text + "from btnUpdate talking.."; [code]....
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Mar 8, 2010
I'm trying to use a javascript Date and Time calendar in my Insert and Edit templates in a Detailsview that is bound to SQL Fields. The reason I am trying the javascript date time selector is that I need to have the date and time, the asp.net one is just the date part.
I tried using it with an asp:textbox on just a plain aspx page and it works like a charm, however when I add it to the detailsview i keep on getting the "Error: Object required" am I missing a step here? That and seeing as I'm using a site master page where exactly do I put the:
[Code]....
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Dec 23, 2010
Am using a ascx page i want to add a textbox control but its giving me the error like
"
Control 'TopFront1_TextBox1' of type 'TextBox' must be placed inside a form tag with runat=server.
"
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Jul 22, 2010
I have a panel in aspx page. In runtime an creating a panel and set the background image, and am adding the textbox in panel created at finally we added it in panel at aspx page. I give the the position as relative in the style property for the textbox that i added in runtime, and i gave the top and left position. First textbox is working well. from second textbox it not get place in the exactplace what i gave.
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Sep 18, 2010
I need to set the value of TextBox in a FormView when the mode changes to Insert. But when I was trying to get it to work, neither one of the code blocks below worked. The value was not set, despite the TextBox being found. Furthermore, the 'test' label text wasn't being set. I know for certain that both events are firing. I had added the test label to disploay the mode or newmode of the FormView but the label wasn't being set at all.
[Code]....
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Mar 29, 2011
i got checkbox in gridview under like tis. when i checked, it's able to retrieve the value from 3rd (c) column but,
i was unable to assign this value into another textbox (totalAmtTxt).
[code]....
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Sep 21, 2010
In my webapp, I have a DropDownList_OnSelectedIndexChanged that assigns values for a number of <asp:textbox'es depending on which entry is selected...
public void ModifyProjectIDBox_SelectedIndexChanged(object sender, EventArgs e)
{
int tempJobID = Get_Selected_Report();
dbCommandString = "SELECT Name, Address, State, Awarded, StartDate, EndDate, HomeLocal FROM dbo.ProjectInfo WHERE ProjID = " + tempJobID;
dbComm.CommandText = dbCommandString;
dbConn.Open();
dbReader = dbComm.ExecuteReader();
dbReader.Read();
ModifyProjectNameBox.Text = dbReader[0].ToString();
ModifyProjectAddrBox.Text = dbReader[1].ToString();
ModifyProjectStateBox.Text = dbReader[2].ToString();
ModifyAwardedBox.Text = dbReader[3].ToString();
ModifyStartDateTextBox.Text = dbReader[4].ToString();
ModifyEndDateTextBox.Text = dbReader[5].ToString();
public void ModifyProjectIDBox_SelectedIndexChanged(object sender, EventArgs e)
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Dec 15, 2010
I am having a gridview with dropdownlist and textbox controls.
I am generating a value in the textbox2 depending on the textbox1 value using the javascript in every row of gridview. In onblur() function of textbox2, I am disabling the textbox2.
Before textboxes, I am having dropdownlist's in every row of gridview. when I disable the textbox2 in the first row and select the value of dropdownlist in the second row, the value of textbox2 in first row is not visible.
I tried by using the viewstate but I am unable to retain the value.
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Jul 13, 2012
Unable to Backspace or Delete Characters In TextBox with FilteredTextBoxExtender in ASP.NET in opera browser. here is my sample code.
<asp:TextBox runat="server" ID="TextBox1" MaxLength="20" />
<asp:FilteredTextBoxExtender TargetControlID=" TextBox1 " ID="FilteredTextBoxExtender1"
FilterType="Numbers,UppercaseLetters,LowercaseLetters" runat="server">
</asp:FilteredTextBoxExtender>
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Aug 27, 2012
I have some text boxes in my form.
In all text boxs autopostback=true
and i will do some calculation in textbox1_TextChanged
then I will use textbox2.Focus() for focus.
With out update panel its work fine
But with in update panel it does not focus...
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Jan 7, 2010
I have a requirement where I have a webpart and two ImageButtons(imgGV, imgLV) and a hidden input textbox('ctl00$MainHeaderContent$txtType') in an aspx page. I need to change templates to this Webpart either to show results in "Grid View" or as "List View" on the click of this ImageButtons. I added code in the page_load of .aspx page as
imgLV.Attributes.Add("onclick", "document.getElementById('ctl00$MainHeaderContent$txtType').value='LV';return true;");
imgGV.Attributes.Add("onclick", "document.getElementById(('ctl00$MainHeaderContent$txtType')).value='GV';return true;");
When I am clicking the specific ImageButton, it has to write into hidden field either "GV" or "LV". In the webpart CreateChildControls I assign templates based on the text in Hidden field either "GV" (Grid Template) else "LV" (List Template). In the CreateChildControls of Webpart for the template change, I am getting the Hidden value as empty. I am using coding as
HtmlInputHidden t = new HtmlInputHidden();
t = (HtmlInputHidden)this.Page.FindControl("ctl00$MainHeaderContent$txtType");
if (t.Value=="GV") {
assign one template}
else { another template}.
I am getting t.Value="". Question is: Is it like if we add some text in a hidden textbox using the Javascript function in an aspx page, the same textbox value in the same aspx page but in the Webpart class in the CreateChildControls method using the code as this(webpart).page.FindControl("Textbox").text is showing empty. So the text added using Javascript into Textbox is it not available in the code behind code using "Text" property of the same Textbox?.
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Aug 21, 2010
I have a itemtemplate inside a gridview.
<asp:TemplateField HeaderText="Enter OTP">
<ItemTemplate>
<asp:Label ID="Label2" runat="server"
[code]...
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Sep 21, 2010
I need to construct a regular expression for the password textbox, Min:8,Max:16 and must include atleast a number(0-9),alphabets upper and lower case. I am unable to limit the length to 16.
<asp:RegularExpressionValidator ID="RegEx" runat="server" ControlToValidate="Password"
ErrorMessage="Password must be min:8,max:16 characters and include a number,alphabets upper case and lower case.
"ToolTip="Password format is not correct"
ValidationExpression="^(?=.{8})(?=.*d)(?=.*[a-z])(?=.*[A-Z]).*$">
</asp:RegularExpressionValidator>
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Feb 19, 2010
I'm populating my nodes from SQL 2008. My Defauld.aspx is also devided into frames. leftmenu is frame on left. topframe is frame on top and mainframe is frame right center. In my leftmenu frame LeftMenu.aspx display a SQL populated treeview. if I click on the child node it opens Home.aspx in the Main Frame. This is pretty straight forward. My problem is that i can't get the value of that populated node over to a textbox on my Home.aspx page that is displayed in the mainframe on the right. My code is as follows:
void PopulateSubModule(TreeNode node)
{
SqlCommand sqlQuery = new SqlCommand("Select * From SubModule " + " Where ModuleID = @ModuleID");
sqlQuery.Parameters.Add("@ModuleID", SqlDbType.Int).Value = node.Value; [code]....
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Mar 9, 2011
I have text boxes and it has values let say. I am calling my javascript method on one of textbox 'onblur'. my function is:
function CalculateExpectedProductPrice() {
alert("hi i called");
var originalPrice = document.getElementById('hdnSelectedProductPrice').value;
var numberOfLicenses = document.getElementById('txtNumberOfLicense').value;
[Code]....
Will there any impact master-content page . because script is in content page and html also on same content page.Also let me know you, I am using wizard control where as all these controls are resides on second step of wizard. will that make any impact ?
Edited:
I think wizard control making here matter. As i started my firebug and review the generated html it assign the Id dynamically to those controls which are inside the wizard. thats why javascript unable to find the expected control . eg for txtAmount text box which is inside the wizard control getting name as :
ctl00_ContentPlaceHolder1_Wizard1_txtAmount
but certainly i would not prefer to use this generated Id. So is there any remedy to find control inside the wizard control and get - set values ?
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Mar 28, 2011
I have a problem with mvc and jquey.
User clicks on message title and a modal popup will show message's body and user can reply the message in modal.(like facebook)
I've used this modal: [URL]
[HttpPost]
public PartialViewResult MessageDetail(int messageId, string replymessage) // This is the problem: replymessage is always null
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Sep 6, 2010
Im unable to enter apostrophe(') in the textbox as got error message as per below . How to solve this ? Pls help .thanks
Server Error in '/' Application.
ERROR [42000] [MySQL][ODBC 5.1 Driver][mysqld-5.1.46-community]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'Agriculture, forestry and fishing(cultivation of land or animals).',''','Mr','',' at line 1
Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.Odbc.OdbcException: ERROR [42000] [MySQL][ODBC 5.1 Driver][mysqld-5.1.46-community]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'Agriculture, forestry and fishing(cultivation of land or animals).',''','Mr','',' at line 1
Source Error: [Code]....
Stack Trace: [Code]....
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Jan 24, 2011
I am having two textboxes. I wanted to change the text of textbox on button click but using session variable. But its not working.
Default.aspx :
[Code]....
Default.aspx.cs:
[Code]....
I want "New Text1" should appear in textbox1 on button click. how can i do as the code mentioned is not working.
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Jun 30, 2010
i have a WSS 3.0 Webpart that contains an UpdatePanel with a customized SPGridView. I want to provide instant filtering of data by adding a textbox below the column header when the column shall be filterable. There is a jQuery based solution for this on the net, but it's totally client side and doesn't work with paging, so i tried it on my own.
In the CreateChildControls of my SPGridViewExt class i have :
[Code]....
I've also overridden the DoFilterPostBackEventProcessing method to create a "[ColumnName] LIKE '%[textbox.value]%'" filterExpression for my datasource which also creates the LIKEFILTER_COLUMN and LIKEFILTER_VALUE ViewState Items so i can identify the textbox that should refocus on after the postback. The filtering itself works great, but whatever i try, i am not able to set the focus to the textbox after entering the first letter.
[Code]....
All these four methods don't work. The registerstartupscript call doesn't even render the script when i search the page source after postback. I also tried to add a HiddenField to my webpart and set it's value to the control id of the textbox in onfocus, then register a startupscript in OnLoad that focuses the control if the HiddenField has a value, but to no avail.
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Nov 11, 2010
I am using Calendar to display Date in Textbox. my Problem is that it works Ok in localhost but when I had uploaded the same, error come "Unable to convert String to datetime".
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Sep 13, 2010
I have a textbox with numeric updown extender.I want the text of the textbox.I have written code in code file is
String a=txtHour.Text
// Source FIle COde
<asp:TextBox ID="txtHour" runat="server" ReadOnly="True" Width="45"
Style="text-align:center" Height="20px">
</asp:TextBox>
<cc1:NumericUpDownExtender ID="NumericUpDownExtenderHr" runat="server"
Enabled="True"
Minimum="00" Maximum="23"
TargetControlID="txtHour" Width="40">
</cc1:NumericUpDownExtender>
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Jan 5, 2010
Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.TextBox'.
[code]....
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Apr 30, 2014
i have a grid asĀ
<asp:GridView ID="dgv_passengerdetails" runat="server" AutoGenerateColumns="False"
CssClass="pasdetailsgrid" BorderStyle="None">
<Columns>
<asp:BoundField HeaderText="Seat No" DataField="seatno">
<ItemStyle HorizontalAlign="Center" />
</asp:BoundField>
[code]...
the string gs=null, if i click the button again then gs takes the value from textbox.
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Feb 18, 2011
I am trying to check the connection with one of active IBM MQ's but I am getting this error.. Unable to load DLL 'amqxcs2.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)
I am using the following code..
Included amqmdnet.dll and amqmdxcs.dll in bin and gave the same reference to the project.
using IBM.WMQ;
using IBM.WMQ.PCF;
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