C# - How To Dynamically Populate A Gridview Based On The Selected Row Of Another Gridview
Jan 17, 2011
Suppose I have a e-shop web app. I have a product categories table in my database that populates a gridview using sqldatasource.
I want to be able to click on the select hyperlink on a row and use that event to populate ANOTHER gridview based on the ID of the product category that is clicked. E.g say the 'CDs' row is clicked, another gridview shows all the different CDs.
As a result, I need the select(sql) statement for the second table to be dynamic based on what the user clicks.
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<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:MS16ConnectionString %>"
SelectCommand="SELECT DISTINCT OY FROM COURSE_INTAKE">
</asp:SqlDataSource>
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I am trying to populate a gridview based on a value from another gridview:
[Code]....
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[Code]....
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protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
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if (e.Row.RowType != DataControlRowType.Header && e.Row.RowType != DataControlRowType.Footer && e.Row.RowType != DataControlRowType.Pager)
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}
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{
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{
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da.SelectCommand.Parameters.AddWithValue("@n", key);
da.Fill(ds, "more");
//if (!IsPostBack)
//{
GridView1.DataSource = ds;
GridView1.DataBind();
//}
}
}
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$("[src*=plus]").live("click", function () {
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Server Side "BindData"
[code]....
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here is some code from the source:
[Code]....
Here is what I tried to do in the code nehind of the button3_click:
[Code]....
[Code]....
CLearly I am lost. I have been working with ASP.NET VB for 2 months. I'm in over my head with figuring this one out - I've been at it for days.
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<asp:TemplateField >
<ItemTemplate>
<asp:CheckBox ID="chkCopy"
OnCheckedChanged="chkStatus_OnCheckedChanged"
runat="server" />
</ItemTemplate>
</asp:TemplateField>
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// open connection
mySqlConnection.Open();
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foreach (SPListItem curItem in curItems)
{
string sql = "INSERT INTO ImportNotifications";
sql += "
(SharepointID,Title,WorkOrderNumber,Status,Department,ClientName,WorkOrderDueDate,CreatedDate,CreatedBy,ModifiedDate,ModifiedBy,Late,LateRe
view,TrueLate,Body)";
sql += " VALUES
(@ID,@Title,@WorkOrderNum,@Status,@Department,@ClientName,@WorkOrderDue,@Created,@Author,@Modified,@Editor,@Late,@LateReview,@TrueLate,@Bod
y)";
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curItem["Work_x0020_Order_x0020_Number"].ToString();
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curItem["Work_x0020_Order_x0020_Due_x0020"];
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mySqlCommand.Parameters.Add(new SqlParameter("@TrueLate", SqlDbType.NVarChar, 50)).Value = curItem["TrueLate"];
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curItem["Body"].ToString();
// execute the command
mySqlCommand.ExecuteNonQuery();
}
// close the connection
mySqlConnection.Close();
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GridViewDetails uses templatefields. In edittemplate I put a button called "ButtonUpdateAdjustAmount" with OnClick="Update_AdjustAmount" in the EditItemTemplate for the "Amt to be Adj" column. There is also a textbox. My user's should be able to edit the textbox, but I also want the ability to click the button and the textbox populated with the correct calculated value. The formula varies based on the "code" column which is a dropdownlist called "DropListCode".
I am fairly new to asp.net, vb, etc...so forgive my code writing. Eventually I need to also put the same functionality on the insertrow for my gridview. But first wanted to get the edit one working. I am using templatefields for all columns and the FooterTemplate to perform the Insert New Detail Line.
I can get the functionality to work for the first data row and only if I take out the If code.SelectedValue = ... line and leave 1 static formula. However that isn't going to work. If DropListCode.SelectedValue is DNR then AdjAmt should be ((q_ordered - q_received) * cost). If DropListCode. SelectedValue is OV then AdjAmt should be (RKNumber * cost). If DropListCode.SelectedValue is NB the AdjAmt should be ((q_received - q_ordered) * cost). If DropListCode.SelectedValue is DAM then AdjAmt should be (RKNumber * cost)
Code behind for the OnClick:
[Code]....
.aspx page - GridViewDetails programming:
[Code]....
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