Web Forms :: How To Get Specific Column Cell Value From Excel File

Dec 5, 2013

how to get one cell value in the excel sheet (ex=D:92)

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[code]....

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I need to auto fit the dropdown width to auto fit with the cell in excel using c#.net.

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[Code]....

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I am using following code to get the columns from excel into datatable. In that in my excel file columns started from C to E means columns A and B is blank(Headers also). When i am reading excel file into datatable that time it's taking columns C to E. I want A and B also.Means when i am reading file that time blank columns are avoiding. I want blank columns should be read.

Excel File Data:

A B C D E

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String
connString = ApplicationSetting
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I need a way to read all the rows in one column from an Excel file that the user picks from a fileupload control. I tried saving the excel file on the webserver with the upload control and then opening it with a OleDbConnection but that fails when running it from the webserver and gives the error:

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Web Forms :: Hide Specific Row Cell From GridView Based On Some Condition

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I have a gridview which displays a list of submittted applications with a column that contains an edit link.

<asp:TemplateField HeaderText="Status">
<ItemTemplate>
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Protected Sub gv1_RowDataBound(sender As Object, e As GridViewRowEventArgs)
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Dim status As Integer

[code]....

I think my mistake lies in getting the status value (as it ouputs 0 for every application).

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I have a situation where i need to update my Dropdownlist templatefield inside a GridView....but only for a specific cell. I have seen codes like this to loop through the whole GridView and update every rows in a specific column, but how do i do it if i only want to update one specific cell ? (If i know the index information of the cell, for example, I know i want to update the dropdownlist on Column 3 and Row 2)

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Forms Data Controls :: Dynamically Add A Button With An Eventhandler To A Specific Cell In Gridview

Mar 10, 2010

I am banging my head with gridview at the moment. There's a problem I just can't get my head around. I'd be very greatful for any advice given. I have a function that creates a DataTable with three columns and four rows. In each of the cells I set the text to a random number through RowDataBound event. I would like to just make the cell clickable and have a code-behind function that gets the position of the cell (column, row) and the value of the cell when the user clicks it.

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I have a gridview which i bind to DataView. I need to manipulate text on cell[2] of each row. I was wondering if i could do it in the OnRowCreated event? cell[0] in asp looks like this

<asp:ButtonField DataTextField = "header" CommandName="select" HeaderText="Overskrift"/>

This doesnt work. test = null

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I'm currectly tryin to access a specific value in my database in a specific column. I'm tryin to use the primary key of the table to access the actual value in the row of that ID.

The current code:

[Code]....

Just iterates through the table and looking for any row with the boolean 'checkin' value is True, then it takes the 'id' value of that row and stores it into an array. Is there a way that I can access a another entry, and only that entry, in the table with the 'id' stored in the array?

Like if my data base contained and int, primarykey, `id` value, a boolean, `checkedin` value, and a `time` value, is there a way to access, lets say, the row with `id` equalling 3 and and the checkIn value from that row?

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Web Forms :: Import Data From Excel Returns Empty Cell

Feb 11, 2010

I am trying to import data from excel and Reading Excel sheet from asp.net returns empty cell, when the data type is changing from number to text example

Prog
----
2000
4000
6000
AN00 -- reading as empty
BN00 --reading asempty

this is the conncetion string i use with vb.Net

Dim strConn As String = "Provider=Microsoft.Jet.OleDb.4.0;" _
& "data source= '" & FileName & "';" _
& "Extended Properties=Excel 8.0;"

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I'm using asp.net 1.1 to download data of a datagrid to excel file. I've used mso-number-format to display dates in short format 05/05/10 and numeric numbers with two decimal points. I want to set make text bold of some specific columns based on some business logic so that after download it boldness doesn't loose. So far I've tried with Css styling didn't get any result. I don't want to use .Net excel library: [URL] to do it.

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Forms Data Controls :: Make Specific Cells In A Dynamic Gridview Clickable And Capture The Cell Info Before Redirecting

Aug 3, 2010

I generate dynamic grids based on a count value returned from some DB tables. the code for it goes like this : I give and Id to each grid that is generated.

if (myDataList1.Count >= 1)
{
for (int i = 0; i < myDataList1.Count; i++)
{
//retrieving the exact i count from pageload
ViewState.Add("newCount", i);
//creating the dynamic grid with its corresponding gridview properties.
grvDynamic = new GridView();
grvDynamic.ID = "GridView" + (i+3);
grvDynamic.AutoGenerateColumns = false;
grvDynamic.RowCreated += GridViewRowCreated;
grvDynamic.RowDataBound += grvDynamic_RowDataBound;
//adding bound field columns to retrieve data from stored proc
BoundField metric = new BoundField();
metric.HeaderText = "Goal ";
metric.DataField = "metric";
grvDynamic.Columns.Add(metric);
BoundField mtd = new BoundField();
mtd.HeaderText = "MTD";
mtd.DataField = "value_MTD";
grvDynamic.Columns.Add(mtd);
BoundField goal = new BoundField();
goal.HeaderText = "Tier Level Achieved";
goal.DataField = "value_goal";
goal.HeaderStyle.Width = Unit.Percentage(10);
grvDynamic.Columns.Add(goal);
BoundField you1 = new BoundField();
you1.HeaderText = "Month End";
you1.DataField = "firstLevel_you";
grvDynamic.Columns.Add(you1);
BoundField you2 = new BoundField();
you2.HeaderText = "Month End";
you2.DataField = "secondLevel_you";
grvDynamic.Columns.Add(you2);
ButtonField singleClick = new ButtonField();
singleClick.CommandName = "clickHyperlink";
singleClick.Visible = false;
grvDynamic.Columns.Add(singleClick);
BoundField metricId = new BoundField();
metricId.HeaderText = "Metric Id";
metricId.DataField = "metricID";
metricId.Visible = true;
grvDynamic.Columns.Add(metricId);
//binding the gridview to data.
grvDynamic.DataSource = data;
grvDynamic.DataBind();
grvDynamic.Columns[5].Visible = false;
}
}

protected void grvDynamic_RowDataBound(object sender, GridViewRowEventArgs e)
{
//this basically gets the metric Id's of rows with the ishyperlink flag set to 'Y'. I need to make these particular cells clickable var isClickable = (from md in myDataList3 where md.IsHyperLinkFlag == 'Y' &&

md.value_MTD != null select md.metricID).ToList();
if (e.Row.RowType == DataControlRowType.DataRow)
{
// Get reference to button field in the gridview.
LinkButton _singleClickButton = (LinkButton)e.Row.Cells[5].Controls[0];

if (isClickable.Contains(Convert.ToInt32(e.Row.Cells[6].Text)))
{
e.Row.Cells[1].Style["cursor"] = "hand";
e.Row.Cells[1].Style["color"] = "blue";
e.Row.Cells[1].Style["textdecoration"] = "Underline";
e.Row.Cells[1].Attributes.Add("onClick", "window.location ='../HeaderPages/page2.aspx' ");
}
}
}

This code works perfectly fine , depending on the ishyperlink flag in the database...specific cells in the grid are made clickable and then redirected to page2.aspx My Issue: I need to capture which specific cell in which specific grid the user has clicked. store some information in sessions based on the cell clicked and use that information in page2.aspx.

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Forms Data Controls :: Export GridView Datatime Cell To Excel C#?

May 10, 2010

I have been working for a bit with exproting to excel and have almost come to the solution, but have come to a problem with exporting a cell with date/time.

this is the data value in my code behind:

<asp:TemplateField HeaderText="Date" SortExpression="Datefrom">

[Code]....

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Forms Data Controls :: How To Get Name Of Column When Select Particular Cell Of It

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I developed the grid view in which i define 2 columns(Common Name, Common ID). I wanted that when i edit particular cell of grid; if i select any cell of column "Common Name" then it tells the name of particular column name and when i click on any cell of column "Column ID", it shows that column name.

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Web Forms :: Export Only Specific Columns Of GridView To Excel

May 27, 2012

I know how to export GridView to excel but it exports all Columns

I want to export only some columns and not all of ASP.Net GridView to excel.

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