/// <summary>
/// Create a new MetaFeature object.
/// </summary>
/// <param name="metaFeatureID">Initial value of the MetaFeatureID property.</param>
/// <param name="featureName">Initial value of the FeatureName property.</param>
public static MetaFeature CreateMetaFeature(global::System.Int32 metaFeatureID, global::System.String featureName)
{
MetaFeature metaFeature = new MetaFeature();
metaFeature.MetaFeatureID = metaFeatureID;
metaFeature.FeatureName = featureName;
return metaFeature;
}
/// <summary>
/// Deprecated Method for adding a new object to the MetaFeatures EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToMetaFeatures(MetaFeature metaFeature)
{
base.AddObject("MetaFeatures", metaFeature);
}
protected void btnAdd_Click(object sender, EventArgs e)
{
using (eCommerceDBEntities context = new eCommerceDBEntities())
{
if (rdoChooseFeature.SelectedValue == "1")
{
Feature fr = new Feature()
{
MetaFeatureID = Convert.ToInt16(ddlFeatureName.SelectedValue),
ProductID = Convert.ToInt16(txtProductID.Text),
FeatureDescription = txtBoxFeatureValue.Text
};
context.Features.AddObject(fr);
}
else if (rdoChooseFeature.SelectedValue == "2")
{
//Show error on empty textbox
if (string.IsNullOrEmpty(txtFeatureName.Text))
{
lblStatus.ForeColor = System.Drawing.Color.Red;
lblStatus.Text = "Please add a feature name.";
}
else
{
//Check if the feature already exists
MetaFeature mr = context.MetaFeatures.Where(i => i.FeatureName == txtFeatureName.Text).FirstOrDefault();
int id;
//If not found, create new row
if (mr == null)
{
MetaFeature mfr = new MetaFeature()
{
FeatureName = txtFeatureName.Text
};
context.MetaFeatures.AddObject(mfr);
context.SaveChanges();
//get the ID which is just created
id = mfr.MetaFeatureID;
Feature fr = new Feature()
{
MetaFeatureID = id,
ProductID = Convert.ToInt16(txtProductID.Text),
FeatureDescription = txtBoxFeatureValue.Text
};
context.Features.AddObject(fr);
}
//if found, update row.
else
{
id = mr.MetaFeatureID;
Feature fUpdate = context.Features.Where(i => i.MetaFeatureID == id).FirstOrDefault();
fUpdate.FeatureDescription = txtBoxFeatureValue.Text;
}
}
}
context.SaveChanges();
lblStatus.ForeColor = System.Drawing.Color.Green;
lblStatus.Text = "Feature added successfully. You can add more!";
}
}